525506425 has 24 divisors (see below), whose sum is σ = 662582592. Its totient is φ = 413400000.

The previous prime is 525506411. The next prime is 525506453. The reversal of 525506425 is 524605525.

It is not a de Polignac number, because 525506425 - 2⁷ = 525506297 is a prime.

It is a Duffinian number.

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, 403275 + ... + 404575.

It is an arithmetic number, because the mean of its divisors is an integer number (27607608).

Almost surely, 2^525506425 is an apocalyptic number.

It is an amenable number.

525506425 is a deficient number, since it is larger than the sum of its proper divisors (137076167).

525506425 is a wasteful number, since it uses less digits than its factorization.

525506425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 525506425 is about 22923.9269105448. The cubic root of 525506425 is about 806.9736303199.

The spelling of 525506425 in words is "five hundred twenty-five million, five hundred six thousand, four hundred twenty-five".