507731425 has 12 divisors (see below), whose sum is σ = 638213740. Its totient is φ = 400619520.

The previous prime is 507731407. The next prime is 507731429. The reversal of 507731425 is 524137705.

It can be written as a sum of positive squares in 6 ways, for example, as 37405456 + 470325969 = 6116^2 + 21687^2 .

It is not a de Polignac number, because 507731425 - 2⁷ = 507731297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (507731429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137280 + ... + 140929.

Almost surely, 2^507731425 is an apocalyptic number.

It is an amenable number.

507731425 is a deficient number, since it is larger than the sum of its proper divisors (130482315).

507731425 is a wasteful number, since it uses less digits than its factorization.

507731425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278292 (or 278287 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 507731425 is about 22532.8965071071. The cubic root of 507731425 is about 797.7705767153.

The spelling of 507731425 in words is "five hundred seven million, seven hundred thirty-one thousand, four hundred twenty-five".