325057531 has 2 divisors, whose sum is σ = 325057532. Its totient is φ = 325057530.

The previous prime is 325057519. The next prime is 325057541. The reversal of 325057531 is 135750523.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325057531 is a prime.

It is a super-2 number, since 2×325057531² = 211324796919631922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325057493 and 325057502.

It is not a weakly prime, because it can be changed into another prime (325057541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162528765 + 162528766.

It is an arithmetic number, because the mean of its divisors is an integer number (162528766).

Almost surely, 2^325057531 is an apocalyptic number.

325057531 is a deficient number, since it is larger than the sum of its proper divisors (1).

325057531 is an equidigital number, since it uses as much as digits as its factorization.

325057531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 325057531 is about 18029.3519295620. The cubic root of 325057531 is about 687.5749999061.

The spelling of 325057531 in words is "three hundred twenty-five million, fifty-seven thousand, five hundred thirty-one".