332620561 has 12 divisors (see below), whose sum is σ = 411629952. Its totient is φ = 263171376.

The previous prime is 332620559. The next prime is 332620601. The reversal of 332620561 is 165026233.

It is not a de Polignac number, because 332620561 - 2¹ = 332620559 is a prime.

It is a super-2 number, since 2×332620561² = 221272875199909442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332620531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139401 + ... + 141766.

It is an arithmetic number, because the mean of its divisors is an integer number (34302496).

Almost surely, 2^332620561 is an apocalyptic number.

It is an amenable number.

332620561 is a deficient number, since it is larger than the sum of its proper divisors (79009391).

332620561 is a wasteful number, since it uses less digits than its factorization.

332620561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281200 (or 281187 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 332620561 is about 18237.8880630406. Note that the first 3 decimals coincide. The cubic root of 332620561 is about 692.8667129399.

Adding to 332620561 its reverse (165026233), we get a palindrome (497646794).

The spelling of 332620561 in words is "three hundred thirty-two million, six hundred twenty thousand, five hundred sixty-one".