517972425 has 24 divisors (see below), whose sum is σ = 862147200. Its totient is φ = 274392000.

The previous prime is 517972381. The next prime is 517972447. The reversal of 517972425 is 524279715.

It is not a de Polignac number, because 517972425 - 2¹⁰ = 517971401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12001 + ... + 34350.

It is an arithmetic number, because the mean of its divisors is an integer number (35922800).

Almost surely, 2^517972425 is an apocalyptic number.

It is an amenable number.

517972425 is a deficient number, since it is larger than the sum of its proper divisors (344174775).

517972425 is a wasteful number, since it uses less digits than its factorization.

517972425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46513 (or 46508 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 517972425 is about 22759.0075574485. The cubic root of 517972425 is about 803.0986207125.

The spelling of 517972425 in words is "five hundred seventeen million, nine hundred seventy-two thousand, four hundred twenty-five".