90645325 has 6 divisors (see below), whose sum is σ = 112400234. Its totient is φ = 72516240.

The previous prime is 90645287. The next prime is 90645337. The reversal of 90645325 is 52354609.

It can be written as a sum of positive squares in 3 ways, for example, as 25826724 + 64818601 = 5082^2 + 8051^2 .

It is not a de Polignac number, because 90645325 - 2¹¹ = 90643277 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 5 ways as a sum of consecutive naturals, for example, 1812882 + ... + 1812931.

Almost surely, 2^90645325 is an apocalyptic number.

It is an amenable number.

90645325 is a deficient number, since it is larger than the sum of its proper divisors (21754909).

90645325 is a wasteful number, since it uses less digits than its factorization.

90645325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625823 (or 3625818 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 90645325 is about 9520.7838437809. The cubic root of 90645325 is about 449.2090220124.

The spelling of 90645325 in words is "ninety million, six hundred forty-five thousand, three hundred twenty-five".