532424021 has 8 divisors (see below), whose sum is σ = 555661080. Its totient is φ = 509512192.

The previous prime is 532424017. The next prime is 532424041. The reversal of 532424021 is 120424235.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101404900 + 431019121 = 10070^2 + 20761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 532424021 - 2² = 532424017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532424041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77960 + ... + 84513.

It is an arithmetic number, because the mean of its divisors is an integer number (69457635).

Almost surely, 2^532424021 is an apocalyptic number.

It is an amenable number.

532424021 is a deficient number, since it is larger than the sum of its proper divisors (23237059).

532424021 is a wasteful number, since it uses less digits than its factorization.

532424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162615.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 532424021 is about 23074.3151794371. The cubic root of 532424021 is about 810.4991187904.

Adding to 532424021 its reverse (120424235), we get a palindrome (652848256).

The spelling of 532424021 in words is "five hundred thirty-two million, four hundred twenty-four thousand, twenty-one".