30939053 has 2 divisors, whose sum is σ = 30939054. Its totient is φ = 30939052.

The previous prime is 30939043. The next prime is 30939101. The reversal of 30939053 is 35093903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16024009 + 14915044 = 4003^2 + 3862^2 .

It is a cyclic number.

It is not a de Polignac number, because 30939053 - 2⁶ = 30938989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30939043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15469526 + 15469527.

It is an arithmetic number, because the mean of its divisors is an integer number (15469527).

Almost surely, 2^30939053 is an apocalyptic number.

It is an amenable number.

30939053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30939053 is an equidigital number, since it uses as much as digits as its factorization.

30939053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 32.

The square root of 30939053 is about 5562.2884678880. The cubic root of 30939053 is about 313.9320616536.

The spelling of 30939053 in words is "thirty million, nine hundred thirty-nine thousand, fifty-three".