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532 = 22719

• 532 can be written using four 4's:

See also 113.
532 has 12 divisors (see below), whose sum is σ = 1120. Its totient is φ = 216.

The previous prime is 523. The next prime is 541. The reversal of 532 is 235.

532 is nontrivially palindromic in base 11.

532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (523) and next prime (541).

532 is an admirable number.

Its product of digits (30) is a multiple of the sum of its prime factors (30).

532 is a nontrivial repdigit in base 11.

It is a plaindrome in base 6, base 11 and base 15.

It is a nialpdrome in base 9, base 10 and base 11.

It is a zygodrome in base 6 and base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19 + ... + 37.

532 is the 19-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560).

532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

532 is a wasteful number, since it uses less digits than its factorization.

532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30 (or 28 counting only the distinct ones).

The product of its digits is 30, while the sum is 10.

The square root of 532 is about 23.0651251893. The cubic root of 532 is about 8.1028390190.

Adding to 532 its reverse (235), we get a palindrome (767).

It can be divided in two parts, 53 and 2, that added together give a palindrome (55).

The spelling of 532 in words is "five hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532