252931951 has 2 divisors, whose sum is σ = 252931952. Its totient is φ = 252931950.

The previous prime is 252931927. The next prime is 252931961. The reversal of 252931951 is 159139252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252931951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252931951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252931961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126465975 + 126465976.

It is an arithmetic number, because the mean of its divisors is an integer number (126465976).

Almost surely, 2^252931951 is an apocalyptic number.

252931951 is a deficient number, since it is larger than the sum of its proper divisors (1).

252931951 is an equidigital number, since it uses as much as digits as its factorization.

252931951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 37.

The square root of 252931951 is about 15903.8344747422. The cubic root of 252931951 is about 632.4136444150.

The spelling of 252931951 in words is "two hundred fifty-two million, nine hundred thirty-one thousand, nine hundred fifty-one".