325576991 has 2 divisors, whose sum is σ = 325576992. Its totient is φ = 325576990.

The previous prime is 325576981. The next prime is 325577011. The reversal of 325576991 is 199675523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325576991 - 2²² = 321382687 is a prime.

It is a super-2 number, since 2×325576991² = 212000754137228162, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325576931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162788495 + 162788496.

It is an arithmetic number, because the mean of its divisors is an integer number (162788496).

Almost surely, 2^325576991 is an apocalyptic number.

325576991 is a deficient number, since it is larger than the sum of its proper divisors (1).

325576991 is an equidigital number, since it uses as much as digits as its factorization.

325576991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 47.

The square root of 325576991 is about 18043.7521319708. The cubic root of 325576991 is about 687.9410659982.

The spelling of 325576991 in words is "three hundred twenty-five million, five hundred seventy-six thousand, nine hundred ninety-one".