90153925 has 6 divisors (see below), whose sum is σ = 111790898. Its totient is φ = 72123120.

The previous prime is 90153893. The next prime is 90153977. The reversal of 90153925 is 52935109.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 24770529 + 65383396 = 4977^2 + 8086^2 .

It is not a de Polignac number, because 90153925 - 2⁵ = 90153893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1803054 + ... + 1803103.

Almost surely, 2^90153925 is an apocalyptic number.

It is an amenable number.

90153925 is a deficient number, since it is larger than the sum of its proper divisors (21636973).

90153925 is a wasteful number, since it uses less digits than its factorization.

90153925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606167 (or 3606162 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 90153925 is about 9494.9420745995. The cubic root of 90153925 is about 448.3958107108.

The spelling of 90153925 in words is "ninety million, one hundred fifty-three thousand, nine hundred twenty-five".