531632 has 20 divisors (see below), whose sum is σ = 1041600. Its totient is φ = 262848.

The previous prime is 531631. The next prime is 531637. The reversal of 531632 is 236135.

It is a d-powerful number, because it can be written as 5³ + 3³ + 6 + 1 + 3¹² + 2⁵ .

It is not an unprimeable number, because it can be changed into a prime (531631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2⁵³¹⁶³² is an apocalyptic number.

It is an amenable number.

531632 is a deficient number, since it is larger than the sum of its proper divisors (509968).

531632 is a wasteful number, since it uses less digits than its factorization.

531632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 374 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 531632 is about 729.1309896034. The cubic root of 531632 is about 81.0097026430.

Adding to 531632 its reverse (236135), we get a palindrome (767767).

The spelling of 531632 in words is "five hundred thirty-one thousand, six hundred thirty-two".