457263111321251 has 2 divisors, whose sum is σ = 457263111321252. Its totient is φ = 457263111321250.

The previous prime is 457263111321229. The next prime is 457263111321329. The reversal of 457263111321251 is 152123111362754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457263111321251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (457263111321851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228631555660625 + 228631555660626.

It is an arithmetic number, because the mean of its divisors is an integer number (228631555660626).

Almost surely, 2^{457263111321251} is an apocalyptic number.

457263111321251 is a deficient number, since it is larger than the sum of its proper divisors (1).

457263111321251 is an equidigital number, since it uses as much as digits as its factorization.

457263111321251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The spelling of 457263111321251 in words is "four hundred fifty-seven trillion, two hundred sixty-three billion, one hundred eleven million, three hundred twenty-one thousand, two hundred fifty-one".