9090925 has 12 divisors (see below), whose sum is σ = 11417920. Its totient is φ = 7179120.

The previous prime is 9090919. The next prime is 9090947. The reversal of 9090925 is 5290909.

It is not a de Polignac number, because 9090925 - 2²¹ = 6993773 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 327 + ... + 4276.

Almost surely, 2^9090925 is an apocalyptic number.

It is an amenable number.

9090925 is a deficient number, since it is larger than the sum of its proper divisors (2326995).

9090925 is a wasteful number, since it uses less digits than its factorization.

9090925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 9090925 is about 3015.1160840007. The cubic root of 9090925 is about 208.7065239877.

The spelling of 9090925 in words is "nine million, ninety thousand, nine hundred twenty-five".