408032825 has 12 divisors (see below), whose sum is σ = 508761708. Its totient is φ = 324619200.

The previous prime is 408032773. The next prime is 408032831. The reversal of 408032825 is 528230804.

It can be written as a sum of positive squares in 6 ways, for example, as 18207289 + 389825536 = 4267^2 + 19744^2 .

It is not a de Polignac number, because 408032825 - 2⁶ = 408032761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408032791 and 408032800.

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, 40562 + ... + 49611.

It is an arithmetic number, because the mean of its divisors is an integer number (42396809).

Almost surely, 2^408032825 is an apocalyptic number.

It is an amenable number.

408032825 is a deficient number, since it is larger than the sum of its proper divisors (100728883).

408032825 is a wasteful number, since it uses less digits than its factorization.

408032825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90364 (or 90359 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 408032825 is about 20199.8224002094. The cubic root of 408032825 is about 741.7058437132.

The spelling of 408032825 in words is "four hundred eight million, thirty-two thousand, eight hundred twenty-five".