332552521 has 16 divisors (see below), whose sum is σ = 403021440. Its totient is φ = 267874560.

The previous prime is 332552491. The next prime is 332552543. The reversal of 332552521 is 125255233.

It is a cyclic number.

It is not a de Polignac number, because 332552521 - 2⁵ = 332552489 is a prime.

It is a super-2 number, since 2×332552521² = 221182358446910882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 332552521.

It is not an unprimeable number, because it can be changed into a prime (332552321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96966 + ... + 100336.

It is an arithmetic number, because the mean of its divisors is an integer number (25188840).

Almost surely, 2^332552521 is an apocalyptic number.

It is an amenable number.

332552521 is a deficient number, since it is larger than the sum of its proper divisors (70468919).

332552521 is a wasteful number, since it uses less digits than its factorization.

332552521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224.

The product of its digits is 9000, while the sum is 28.

The square root of 332552521 is about 18236.0226200781. The cubic root of 332552521 is about 692.8194660451.

The spelling of 332552521 in words is "three hundred thirty-two million, five hundred fifty-two thousand, five hundred twenty-one".