251345325463 has 2 divisors, whose sum is σ = 251345325464. Its totient is φ = 251345325462.

The previous prime is 251345325379. The next prime is 251345325487. The reversal of 251345325463 is 364523543152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-251345325463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251345322463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125672662731 + 125672662732.

It is an arithmetic number, because the mean of its divisors is an integer number (125672662732).

Almost surely, 2^251345325463 is an apocalyptic number.

251345325463 is a deficient number, since it is larger than the sum of its proper divisors (1).

251345325463 is an equidigital number, since it uses as much as digits as its factorization.

251345325463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 43.

The spelling of 251345325463 in words is "two hundred fifty-one billion, three hundred forty-five million, three hundred twenty-five thousand, four hundred sixty-three".