525526020 has 36 divisors (see below), whose sum is σ = 1594096140. Its totient is φ = 140140224.

The previous prime is 525526007. The next prime is 525526021. The reversal of 525526020 is 20625525.

525526020 is a `hidden beast` number, since 5 + 2 + 5 + 52 + 602 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 257025024 + 268500996 = 16032^2 + 16386^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (525526021) 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 11 ways as a sum of consecutive naturals, for example, 1459615 + ... + 1459974.

Almost surely, 2^525526020 is an apocalyptic number.

It is an amenable number.

525526020 is an abundant number, since it is smaller than the sum of its proper divisors (1068570120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525526020 is a wasteful number, since it uses less digits than its factorization.

525526020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919604 (or 2919599 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 525526020 is about 22924.3542984312. The cubic root of 525526020 is about 806.9836602967.

The spelling of 525526020 in words is "five hundred twenty-five million, five hundred twenty-six thousand, twenty".