325295521 has 2 divisors, whose sum is σ = 325295522. Its totient is φ = 325295520.

The previous prime is 325295489. The next prime is 325295557. The reversal of 325295521 is 125592523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194993296 + 130302225 = 13964^2 + 11415^2 .

It is a cyclic number.

It is not a de Polignac number, because 325295521 - 2⁵ = 325295489 is a prime.

It is a super-2 number, since 2×325295521² = 211634351965322882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325299521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162647760 + 162647761.

It is an arithmetic number, because the mean of its divisors is an integer number (162647761).

Almost surely, 2^325295521 is an apocalyptic number.

It is an amenable number.

325295521 is a deficient number, since it is larger than the sum of its proper divisors (1).

325295521 is an equidigital number, since it uses as much as digits as its factorization.

325295521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 34.

The square root of 325295521 is about 18035.9507927916. The cubic root of 325295521 is about 687.7427610351.

The spelling of 325295521 in words is "three hundred twenty-five million, two hundred ninety-five thousand, five hundred twenty-one".