525634885 has 4 divisors (see below), whose sum is σ = 630761868. Its totient is φ = 420507904.

The previous prime is 525634873. The next prime is 525634897. The reversal of 525634885 is 588436525.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (525634873) and next prime (525634897).

It can be written as a sum of positive squares in 2 ways, for example, as 372914721 + 152720164 = 19311^2 + 12358^2 .

It is a cyclic number.

It is not a de Polignac number, because 525634885 - 2⁷ = 525634757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52563484 + ... + 52563493.

It is an arithmetic number, because the mean of its divisors is an integer number (157690467).

Almost surely, 2^525634885 is an apocalyptic number.

It is an amenable number.

525634885 is a deficient number, since it is larger than the sum of its proper divisors (105126983).

525634885 is a wasteful number, since it uses less digits than its factorization.

525634885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105126982.

The product of its digits is 1152000, while the sum is 46.

The square root of 525634885 is about 22926.7286153084. The cubic root of 525634885 is about 807.0393798406.

The spelling of 525634885 in words is "five hundred twenty-five million, six hundred thirty-four thousand, eight hundred eighty-five".