89965225 has 27 divisors (see below), whose sum is σ = 130250871. Its totient is φ = 61462800.

The previous prime is 89965223. The next prime is 89965231. The reversal of 89965225 is 52256998.

It is a happy number.

The square root of 89965225 is 9485.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 32387481 + 57577744 = 5691^2 + 7588^2 .

It is not a de Polignac number, because 89965225 - 2¹ = 89965223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89965223) 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 26 ways as a sum of consecutive naturals, for example, 331840 + ... + 332110.

Almost surely, 2^89965225 is an apocalyptic number.

89965225 is the 9485-th square number.

89965225 is the 4743-rd centered octagonal number.

It is an amenable number.

89965225 is a deficient number, since it is larger than the sum of its proper divisors (40285646).

89965225 is an equidigital number, since it uses as much as digits as its factorization.

89965225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 283 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The cubic root of 89965225 is about 448.0827483868.

The spelling of 89965225 in words is "eighty-nine million, nine hundred sixty-five thousand, two hundred twenty-five".