30925093 has 2 divisors, whose sum is σ = 30925094. Its totient is φ = 30925092.

The previous prime is 30925079. The next prime is 30925121. The reversal of 30925093 is 39052903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18301284 + 12623809 = 4278^2 + 3553^2 .

It is an emirp because it is prime and its reverse (39052903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30925093 - 2⁵ = 30925061 is a prime.

It is a super-2 number, since 2×30925093² = 1912722754117298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30925003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15462546 + 15462547.

It is an arithmetic number, because the mean of its divisors is an integer number (15462547).

Almost surely, 2^30925093 is an apocalyptic number.

It is an amenable number.

30925093 is a deficient number, since it is larger than the sum of its proper divisors (1).

30925093 is an equidigital number, since it uses as much as digits as its factorization.

30925093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 30925093 is about 5561.0334471211. The cubic root of 30925093 is about 313.8848381560.

Adding to 30925093 its reverse (39052903), we get a palindrome (69977996).

The spelling of 30925093 in words is "thirty million, nine hundred twenty-five thousand, ninety-three".