251152763 has 2 divisors, whose sum is σ = 251152764. Its totient is φ = 251152762.

The previous prime is 251152721. The next prime is 251152817. The reversal of 251152763 is 367251152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251152763 - 2¹⁶ = 251087227 is a prime.

It is not a weakly prime, because it can be changed into another prime (251152703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125576381 + 125576382.

It is an arithmetic number, because the mean of its divisors is an integer number (125576382).

Almost surely, 2^251152763 is an apocalyptic number.

251152763 is a deficient number, since it is larger than the sum of its proper divisors (1).

251152763 is an equidigital number, since it uses as much as digits as its factorization.

251152763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 251152763 is about 15847.7999419478. The cubic root of 251152763 is about 630.9273007615.

The spelling of 251152763 in words is "two hundred fifty-one million, one hundred fifty-two thousand, seven hundred sixty-three".