90355425 has 24 divisors (see below), whose sum is σ = 158177376. Its totient is φ = 45354240.

The previous prime is 90355417. The next prime is 90355439. The reversal of 90355425 is 52455309.

It is not a de Polignac number, because 90355425 - 2³ = 90355417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34159 + ... + 36708.

It is an arithmetic number, because the mean of its divisors is an integer number (6590724).

Almost surely, 2^90355425 is an apocalyptic number.

It is an amenable number.

90355425 is a deficient number, since it is larger than the sum of its proper divisors (67821951).

90355425 is a wasteful number, since it uses less digits than its factorization.

90355425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70897 (or 70892 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 90355425 is about 9505.5470647407. The cubic root of 90355425 is about 448.7296269230.

The spelling of 90355425 in words is "ninety million, three hundred fifty-five thousand, four hundred twenty-five".