325615532620645 has 32 divisors (see below), whose sum is σ = 406974940380000. Its totient is φ = 249791418024960.

The previous prime is 325615532620541. The next prime is 325615532620657. The reversal of 325615532620645 is 546026235516523.

It can be written as a sum of positive squares in 16 ways, for example, as 87433290232929 + 238182242387716 = 9350577^2 + 15433154^2 .

It is not a de Polignac number, because 325615532620645 - 2¹³ = 325615532612453 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 176698071 + ... + 178531339.

It is an arithmetic number, because the mean of its divisors is an integer number (12717966886875).

Almost surely, 2^{325615532620645} is an apocalyptic number.

It is an amenable number.

325615532620645 is a deficient number, since it is larger than the sum of its proper divisors (81359407759355).

325615532620645 is a wasteful number, since it uses less digits than its factorization.

325615532620645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841673.

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 325615532620645 in words is "three hundred twenty-five trillion, six hundred fifteen billion, five hundred thirty-two million, six hundred twenty thousand, six hundred forty-five".