90415425 has 12 divisors (see below), whose sum is σ = 149486960. Its totient is φ = 48221520.

The previous prime is 90415411. The next prime is 90415453. The reversal of 90415425 is 52451409.

It is not a de Polignac number, because 90415425 - 2⁵ = 90415393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90415392 and 90415401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602695 + ... + 602844.

Almost surely, 2^90415425 is an apocalyptic number.

It is an amenable number.

90415425 is a deficient number, since it is larger than the sum of its proper divisors (59071535).

90415425 is a wasteful number, since it uses less digits than its factorization.

90415425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205552 (or 1205547 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 90415425 is about 9508.7025928883. The cubic root of 90415425 is about 448.8289303878.

The spelling of 90415425 in words is "ninety million, four hundred fifteen thousand, four hundred twenty-five".