90283825 has 12 divisors (see below), whose sum is σ = 113212620. Its totient is φ = 71413760.

The previous prime is 90283793. The next prime is 90283847. The reversal of 90283825 is 52838209.

It can be written as a sum of positive squares in 6 ways, for example, as 5035536 + 85248289 = 2244^2 + 9233^2 .

It is not a de Polignac number, because 90283825 - 2⁵ = 90283793 is a prime.

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, 18064 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (9434385).

Almost surely, 2^90283825 is an apocalyptic number.

It is an amenable number.

90283825 is a deficient number, since it is larger than the sum of its proper divisors (22928795).

90283825 is a wasteful number, since it uses less digits than its factorization.

90283825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40676 (or 40671 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 90283825 is about 9501.7800963819. The cubic root of 90283825 is about 448.6110672399.

The spelling of 90283825 in words is "ninety million, two hundred eighty-three thousand, eight hundred twenty-five".