332625991 has 2 divisors, whose sum is σ = 332625992. Its totient is φ = 332625990.

The previous prime is 332625949. The next prime is 332626057. The reversal of 332625991 is 199526233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 332625991 - 2⁹ = 332625479 is a prime.

It is a super-2 number, since 2×332625991² = 221280099777464162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332625091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166312995 + 166312996.

It is an arithmetic number, because the mean of its divisors is an integer number (166312996).

Almost surely, 2^332625991 is an apocalyptic number.

332625991 is a deficient number, since it is larger than the sum of its proper divisors (1).

332625991 is an equidigital number, since it uses as much as digits as its factorization.

332625991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 40.

The square root of 332625991 is about 18238.0369283539. The cubic root of 332625991 is about 692.8704832478.

The spelling of 332625991 in words is "three hundred thirty-two million, six hundred twenty-five thousand, nine hundred ninety-one".