321604314251625 has 96 divisors (see below), whose sum is σ = 593250143016960. Its totient is φ = 167527108224000.

The previous prime is 321604314251599. The next prime is 321604314251657. The reversal of 321604314251625 is 526152413406123.

321604314251625 is a `hidden beast` number, since 3 + 2 + 1 + 6 + 0 + 4 + 3 + 14 + 2 + 5 + 1 + 625 = 666.

It is not a de Polignac number, because 321604314251625 - 2⁹ = 321604314251113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1462798456 + ... + 1463018294.

It is an arithmetic number, because the mean of its divisors is an integer number (6179688989760).

Almost surely, 2^{321604314251625} is an apocalyptic number.

It is an amenable number.

321604314251625 is a deficient number, since it is larger than the sum of its proper divisors (271645828765335).

321604314251625 is a wasteful number, since it uses less digits than its factorization.

321604314251625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250144 (or 250131 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

Adding to 321604314251625 its reverse (526152413406123), we get a palindrome (847756727657748).

The spelling of 321604314251625 in words is "three hundred twenty-one trillion, six hundred four billion, three hundred fourteen million, two hundred fifty-one thousand, six hundred twenty-five".