506686925 has 12 divisors (see below), whose sum is σ = 630102900. Its totient is φ = 404181120.

The previous prime is 506686913. The next prime is 506686937. The reversal of 506686925 is 529686605.

It is an interprime number because it is at equal distance from previous prime (506686913) and next prime (506686937).

It can be written as a sum of positive squares in 6 ways, for example, as 47141956 + 459544969 = 6866^2 + 21437^2 .

It is not a de Polignac number, because 506686925 - 2²² = 502492621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506686925.

It is a congruent number.

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, 20312 + ... + 37761.

It is an arithmetic number, because the mean of its divisors is an integer number (52508575).

Almost surely, 2^506686925 is an apocalyptic number.

It is an amenable number.

506686925 is a deficient number, since it is larger than the sum of its proper divisors (123415975).

506686925 is a wasteful number, since it uses less digits than its factorization.

506686925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58432 (or 58427 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 506686925 is about 22509.7073503855. The cubic root of 506686925 is about 797.2231459416.

The spelling of 506686925 in words is "five hundred six million, six hundred eighty-six thousand, nine hundred twenty-five".