8628525 has 30 divisors (see below), whose sum is σ = 15986762. Its totient is φ = 4600800.

The previous prime is 8628493. The next prime is 8628547. The reversal of 8628525 is 5258268.

8628525 is a `hidden beast` number, since 8 + 628 + 5 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2368521 + 6260004 = 1539^2 + 2502^2 .

It is not a de Polignac number, because 8628525 - 2⁵ = 8628493 is a prime.

It is a Duffinian number.

8628525 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8628525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 106 + ... + 4155.

Almost surely, 2^8628525 is an apocalyptic number.

It is an amenable number.

8628525 is a deficient number, since it is larger than the sum of its proper divisors (7358237).

8628525 is a wasteful number, since it uses less digits than its factorization.

8628525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283 (or 4269 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 8628525 is about 2937.4351056662. The cubic root of 8628525 is about 205.1062308826.

The spelling of 8628525 in words is "eight million, six hundred twenty-eight thousand, five hundred twenty-five".