525949975 has 12 divisors (see below), whose sum is σ = 666055584. Its totient is φ = 411806720.

The previous prime is 525949969. The next prime is 525950011. The reversal of 525949975 is 579949525.

It is not a de Polignac number, because 525949975 - 2¹³ = 525941783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222634 + ... + 224983.

It is an arithmetic number, because the mean of its divisors is an integer number (55504632).

Almost surely, 2^525949975 is an apocalyptic number.

525949975 is a deficient number, since it is larger than the sum of its proper divisors (140105609).

525949975 is a wasteful number, since it uses less digits than its factorization.

525949975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447674 (or 447669 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 55.

The square root of 525949975 is about 22933.5992596016. The cubic root of 525949975 is about 807.2006066106.

The spelling of 525949975 in words is "five hundred twenty-five million, nine hundred forty-nine thousand, nine hundred seventy-five".