30992053 has 2 divisors, whose sum is σ = 30992054. Its totient is φ = 30992052.

The previous prime is 30992011. The next prime is 30992057. The reversal of 30992053 is 35029903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28751044 + 2241009 = 5362^2 + 1497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30992053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30992057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15496026 + 15496027.

It is an arithmetic number, because the mean of its divisors is an integer number (15496027).

Almost surely, 2^30992053 is an apocalyptic number.

It is an amenable number.

30992053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30992053 is an equidigital number, since it uses as much as digits as its factorization.

30992053 is an odious number, because the sum of its binary digits is odd.

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

The square root of 30992053 is about 5567.0506554189. The cubic root of 30992053 is about 314.1112193406. Note that the first 3 decimals are identical.

The spelling of 30992053 in words is "thirty million, nine hundred ninety-two thousand, fifty-three".