30703825 has 6 divisors (see below), whose sum is σ = 38072774. Its totient is φ = 24563040.

The previous prime is 30703817. The next prime is 30703847. The reversal of 30703825 is 52830703.

It can be written as a sum of positive squares in 3 ways, for example, as 9690769 + 21013056 = 3113^2 + 4584^2 .

It is not a de Polignac number, because 30703825 - 2³ = 30703817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30703793 and 30703802.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614052 + ... + 614101.

Almost surely, 2^30703825 is an apocalyptic number.

It is an amenable number.

30703825 is a deficient number, since it is larger than the sum of its proper divisors (7368949).

30703825 is a wasteful number, since it uses less digits than its factorization.

30703825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228163 (or 1228158 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 30703825 is about 5541.1032295022. The cubic root of 30703825 is about 313.1344337751.

The spelling of 30703825 in words is "thirty million, seven hundred three thousand, eight hundred twenty-five".