325313531 has 2 divisors, whose sum is σ = 325313532. Its totient is φ = 325313530.

The previous prime is 325313519. The next prime is 325313539. The reversal of 325313531 is 135313523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325313531 - 2⁶ = 325313467 is a prime.

It is a super-2 number, since 2×325313531² = 211657786903375922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325313531.

It is not a weakly prime, because it can be changed into another prime (325313539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162656765 + 162656766.

It is an arithmetic number, because the mean of its divisors is an integer number (162656766).

Almost surely, 2^325313531 is an apocalyptic number.

325313531 is a deficient number, since it is larger than the sum of its proper divisors (1).

325313531 is an equidigital number, since it uses as much as digits as its factorization.

325313531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 26.

The square root of 325313531 is about 18036.4500664626. The cubic root of 325313531 is about 687.7554531031.

The spelling of 325313531 in words is "three hundred twenty-five million, three hundred thirteen thousand, five hundred thirty-one".