525307825 has 12 divisors (see below), whose sum is σ = 744436480. Its totient is φ = 360210960.

The previous prime is 525307817. The next prime is 525307831. The reversal of 525307825 is 528703525.

It is not a de Polignac number, because 525307825 - 2³ = 525307817 is a prime.

It is a super-2 number, since 2×525307825² = 551896622012461250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500705 + ... + 1501054.

Almost surely, 2^525307825 is an apocalyptic number.

It is an amenable number.

525307825 is a deficient number, since it is larger than the sum of its proper divisors (219128655).

525307825 is a wasteful number, since it uses less digits than its factorization.

525307825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001776 (or 3001771 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 525307825 is about 22919.5947826309. The cubic root of 525307825 is about 806.8719600397.

The spelling of 525307825 in words is "five hundred twenty-five million, three hundred seven thousand, eight hundred twenty-five".