492638725 has 24 divisors (see below), whose sum is σ = 651029760. Its totient is φ = 368934720.

The previous prime is 492638717. The next prime is 492638749. The reversal of 492638725 is 527836294.

It is not a de Polignac number, because 492638725 - 2³ = 492638717 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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17911 + ... + 36139.

It is an arithmetic number, because the mean of its divisors is an integer number (27126240).

Almost surely, 2^492638725 is an apocalyptic number.

It is an amenable number.

492638725 is a deficient number, since it is larger than the sum of its proper divisors (158391035).

492638725 is a wasteful number, since it uses less digits than its factorization.

492638725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18309 (or 18304 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 492638725 is about 22195.4663163449. The cubic root of 492638725 is about 789.7861542646.

The spelling of 492638725 in words is "four hundred ninety-two million, six hundred thirty-eight thousand, seven hundred twenty-five".