30925079 has 2 divisors, whose sum is σ = 30925080. Its totient is φ = 30925078.

The previous prime is 30925061. The next prime is 30925093. The reversal of 30925079 is 97052903.

It is a strong prime.

It is an emirp because it is prime and its reverse (97052903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30925079 - 2¹² = 30920983 is a prime.

It is a super-2 number, since 2×30925079² = 1912721022312482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30925019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15462539 + 15462540.

It is an arithmetic number, because the mean of its divisors is an integer number (15462540).

Almost surely, 2^30925079 is an apocalyptic number.

30925079 is a deficient number, since it is larger than the sum of its proper divisors (1).

30925079 is an equidigital number, since it uses as much as digits as its factorization.

30925079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 30925079 is about 5561.0321883622. The cubic root of 30925079 is about 313.8847907901.

The spelling of 30925079 in words is "thirty million, nine hundred twenty-five thousand, seventy-nine".