252130933 has 2 divisors, whose sum is σ = 252130934. Its totient is φ = 252130932.

The previous prime is 252130897. The next prime is 252130939. The reversal of 252130933 is 339031252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215443684 + 36687249 = 14678^2 + 6057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252130933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252130939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126065466 + 126065467.

It is an arithmetic number, because the mean of its divisors is an integer number (126065467).

Almost surely, 2^252130933 is an apocalyptic number.

It is an amenable number.

252130933 is a deficient number, since it is larger than the sum of its proper divisors (1).

252130933 is an equidigital number, since it uses as much as digits as its factorization.

252130933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 252130933 is about 15878.6313327062. The cubic root of 252130933 is about 631.7453349931.

The spelling of 252130933 in words is "two hundred fifty-two million, one hundred thirty thousand, nine hundred thirty-three".