325696531 has 2 divisors, whose sum is σ = 325696532. Its totient is φ = 325696530.

The previous prime is 325696471. The next prime is 325696543. The reversal of 325696531 is 135696523.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325696531 is a prime.

It is a super-2 number, since 2×325696531² = 212156460610867922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325606531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162848265 + 162848266.

It is an arithmetic number, because the mean of its divisors is an integer number (162848266).

Almost surely, 2^325696531 is an apocalyptic number.

325696531 is a deficient number, since it is larger than the sum of its proper divisors (1).

325696531 is an equidigital number, since it uses as much as digits as its factorization.

325696531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 40.

The square root of 325696531 is about 18047.0643319073. The cubic root of 325696531 is about 688.0252513210.

The spelling of 325696531 in words is "three hundred twenty-five million, six hundred ninety-six thousand, five hundred thirty-one".