9281625 has 32 divisors (see below), whose sum is σ = 15769728. Its totient is φ = 4846400.

The previous prime is 9281611. The next prime is 9281647. The reversal of 9281625 is 5261829.

It is not a de Polignac number, because 9281625 - 2⁷ = 9281497 is a prime.

It is a super-2 number, since 2×9281625² = 172297125281250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

9281625 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19642 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (492804).

Almost surely, 2^9281625 is an apocalyptic number.

It is an amenable number.

9281625 is a deficient number, since it is larger than the sum of its proper divisors (6488103).

9281625 is a wasteful number, since it uses less digits than its factorization.

9281625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 528 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 9281625 is about 3046.5759468623. The cubic root of 9281625 is about 210.1557801038.

Multiplying 9281625 by its sum of digits (33), we get a triangular number (306293625 = T₂₄₇₅₀).

The spelling of 9281625 in words is "nine million, two hundred eighty-one thousand, six hundred twenty-five".