525259089 has 12 divisors (see below), whose sum is σ = 758914000. Its totient is φ = 350077464.

The previous prime is 525259079. The next prime is 525259093. The reversal of 525259089 is 980952525.

525259089 is a `hidden beast` number, since 5 + 2 + 52 + 590 + 8 + 9 = 666.

It is not a de Polignac number, because 525259089 - 2⁵ = 525259057 is a prime.

It is a super-2 number, since 2×525259089² = 551794221154219842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525259019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46962 + ... + 57060.

Almost surely, 2^525259089 is an apocalyptic number.

It is an amenable number.

525259089 is a deficient number, since it is larger than the sum of its proper divisors (233654911).

525259089 is a wasteful number, since it uses less digits than its factorization.

525259089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15884 (or 15881 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 525259089 is about 22918.5315629078. The cubic root of 525259089 is about 806.8470064625.

The spelling of 525259089 in words is "five hundred twenty-five million, two hundred fifty-nine thousand, eighty-nine".