30825957 has 8 divisors (see below), whose sum is σ = 42888384. Its totient is φ = 19657088.

The previous prime is 30825953. The next prime is 30825983. The reversal of 30825957 is 75952803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30825957 - 2² = 30825953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30825953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223308 + ... + 223445.

It is an arithmetic number, because the mean of its divisors is an integer number (5361048).

Almost surely, 2^30825957 is an apocalyptic number.

It is an amenable number.

30825957 is a deficient number, since it is larger than the sum of its proper divisors (12062427).

30825957 is a wasteful number, since it uses less digits than its factorization.

30825957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446779.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 30825957 is about 5552.1128410723. The cubic root of 30825957 is about 313.5490741712.

The spelling of 30825957 in words is "thirty million, eight hundred twenty-five thousand, nine hundred fifty-seven".