30408825 has 24 divisors (see below), whose sum is σ = 50457088. Its totient is φ = 16159680.

The previous prime is 30408817. The next prime is 30408827. The reversal of 30408825 is 52880403.

It is not a de Polignac number, because 30408825 - 2³ = 30408817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30408792 and 30408801.

It is not an unprimeable number, because it can be changed into a prime (30408827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27432 + ... + 28518.

Almost surely, 2^30408825 is an apocalyptic number.

It is an amenable number.

30408825 is a deficient number, since it is larger than the sum of its proper divisors (20048263).

30408825 is a wasteful number, since it uses less digits than its factorization.

30408825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 30408825 is about 5514.4197337526. The cubic root of 30408825 is about 312.1283475067.

The spelling of 30408825 in words is "thirty million, four hundred eight thousand, eight hundred twenty-five".