90084825 has 48 divisors (see below), whose sum is σ = 170008960. Its totient is φ = 46733760.

The previous prime is 90084823. The next prime is 90084851. The reversal of 90084825 is 52848009.

It is not a de Polignac number, because 90084825 - 2¹ = 90084823 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90084825.

It is not an unprimeable number, because it can be changed into a prime (90084823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23172 + ... + 26778.

Almost surely, 2^90084825 is an apocalyptic number.

It is an amenable number.

90084825 is a deficient number, since it is larger than the sum of its proper divisors (79924135).

90084825 is a wasteful number, since it uses less digits than its factorization.

90084825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 90084825 is about 9491.3025976417. The cubic root of 90084825 is about 448.2812212462.

It can be divided in two parts, 90084 and 825, that added together give a palindrome (90909).

The spelling of 90084825 in words is "ninety million, eighty-four thousand, eight hundred twenty-five".