90658225 has 12 divisors (see below), whose sum is σ = 128475904. Its totient is φ = 62165520.

The previous prime is 90658223. The next prime is 90658247. The reversal of 90658225 is 52285609.

It is a happy number.

It is not a de Polignac number, because 90658225 - 2¹ = 90658223 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90658223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258849 + ... + 259198.

Almost surely, 2^90658225 is an apocalyptic number.

It is an amenable number.

90658225 is a deficient number, since it is larger than the sum of its proper divisors (37817679).

90658225 is a wasteful number, since it uses less digits than its factorization.

90658225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518064 (or 518059 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 90658225 is about 9521.4612849079. The cubic root of 90658225 is about 449.2303304160.

The spelling of 90658225 in words is "ninety million, six hundred fifty-eight thousand, two hundred twenty-five".