408628525 has 12 divisors (see below), whose sum is σ = 507418912. Its totient is φ = 326438640.

The previous prime is 408628483. The next prime is 408628543. The reversal of 408628525 is 525826804.

It is not a de Polignac number, because 408628525 - 2⁷ = 408628397 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 6934 + ... + 29416.

Almost surely, 2^408628525 is an apocalyptic number.

It is an amenable number.

408628525 is a deficient number, since it is larger than the sum of its proper divisors (98790387).

408628525 is a wasteful number, since it uses less digits than its factorization.

408628525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23220 (or 23215 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 408628525 is about 20214.5622015417. The cubic root of 408628525 is about 742.0666147937.

The spelling of 408628525 in words is "four hundred eight million, six hundred twenty-eight thousand, five hundred twenty-five".