30152975 has 12 divisors (see below), whose sum is σ = 37688064. Its totient is φ = 23929920.

The previous prime is 30152963. The next prime is 30152989. The reversal of 30152975 is 57925103.

It is not a de Polignac number, because 30152975 - 2⁴ = 30152959 is a prime.

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, 1574 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (3140672).

Almost surely, 2^30152975 is an apocalyptic number.

30152975 is a deficient number, since it is larger than the sum of its proper divisors (7535089).

30152975 is a wasteful number, since it uses less digits than its factorization.

30152975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9634 (or 9629 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 30152975 is about 5491.1724613237. The cubic root of 30152975 is about 311.2504986471.

The spelling of 30152975 in words is "thirty million, one hundred fifty-two thousand, nine hundred seventy-five".