90275025 has 12 divisors (see below), whose sum is σ = 149254832. Its totient is φ = 48146640.

The previous prime is 90275011. The next prime is 90275039. The reversal of 90275025 is 52057209.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90275011) and next prime (90275039).

It is not a de Polignac number, because 90275025 - 2⁵ = 90274993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90274983 and 90275001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601759 + ... + 601908.

Almost surely, 2^90275025 is an apocalyptic number.

It is an amenable number.

90275025 is a deficient number, since it is larger than the sum of its proper divisors (58979807).

90275025 is a wasteful number, since it uses less digits than its factorization.

90275025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203680 (or 1203675 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 90275025 is about 9501.3170139723. The cubic root of 90275025 is about 448.5964913338.

The spelling of 90275025 in words is "ninety million, two hundred seventy-five thousand, twenty-five".