331578485025 has 12 divisors (see below), whose sum is σ = 548209762032. Its totient is φ = 176841858640.

The previous prime is 331578485003. The next prime is 331578485087. The reversal of 331578485025 is 520584875133.

It is a happy number.

It is not a de Polignac number, because 331578485025 - 2¹⁶ = 331578419489 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2210523159 + ... + 2210523308.

It is an arithmetic number, because the mean of its divisors is an integer number (45684146836).

Almost surely, 2^331578485025 is an apocalyptic number.

It is an amenable number.

331578485025 is a deficient number, since it is larger than the sum of its proper divisors (216631277007).

331578485025 is a wasteful number, since it uses less digits than its factorization.

331578485025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421046480 (or 4421046475 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 331578485025 in words is "three hundred thirty-one billion, five hundred seventy-eight million, four hundred eighty-five thousand, twenty-five".