89131025 has 6 divisors (see below), whose sum is σ = 110522502. Its totient is φ = 71304800.

The previous prime is 89131019. The next prime is 89131027. The reversal of 89131025 is 52013198.

It can be written as a sum of positive squares in 3 ways, for example, as 4177936 + 84953089 = 2044^2 + 9217^2 .

It is not a de Polignac number, because 89131025 - 2²² = 84936721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89131027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1782596 + ... + 1782645.

It is an arithmetic number, because the mean of its divisors is an integer number (18420417).

Almost surely, 2^89131025 is an apocalyptic number.

It is an amenable number.

89131025 is a deficient number, since it is larger than the sum of its proper divisors (21391477).

89131025 is a wasteful number, since it uses less digits than its factorization.

89131025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565251 (or 3565246 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 89131025 is about 9440.9228892095. The cubic root of 89131025 is about 446.6935007146.

The spelling of 89131025 in words is "eighty-nine million, one hundred thirty-one thousand, twenty-five".