525512961 has 64 divisors (see below), whose sum is σ = 840499200. Its totient is φ = 323870400.

The previous prime is 525512929. The next prime is 525512971. The reversal of 525512961 is 169215525.

525512961 is a `hidden beast` number, since 52 + 5 + 512 + 96 + 1 = 666.

It is not a de Polignac number, because 525512961 - 2⁵ = 525512929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (525512971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2198680 + ... + 2198918.

It is an arithmetic number, because the mean of its divisors is an integer number (13132800).

Almost surely, 2^525512961 is an apocalyptic number.

It is an amenable number.

525512961 is a deficient number, since it is larger than the sum of its proper divisors (314986239).

525512961 is a wasteful number, since it uses less digits than its factorization.

525512961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 381 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 525512961 is about 22924.0694685739. The cubic root of 525512961 is about 806.9769758913.

The spelling of 525512961 in words is "five hundred twenty-five million, five hundred twelve thousand, nine hundred sixty-one".