252500129951 has 2 divisors, whose sum is σ = 252500129952. Its totient is φ = 252500129950.

The previous prime is 252500129933. The next prime is 252500130007. The reversal of 252500129951 is 159921005252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252500129951 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 252500129899 and 252500129908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252500129251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126250064975 + 126250064976.

It is an arithmetic number, because the mean of its divisors is an integer number (126250064976).

Almost surely, 2^252500129951 is an apocalyptic number.

252500129951 is a deficient number, since it is larger than the sum of its proper divisors (1).

252500129951 is an equidigital number, since it uses as much as digits as its factorization.

252500129951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 41.

The spelling of 252500129951 in words is "two hundred fifty-two billion, five hundred million, one hundred twenty-nine thousand, nine hundred fifty-one".