455321517251 has 2 divisors, whose sum is σ = 455321517252. Its totient is φ = 455321517250.

The previous prime is 455321517223. The next prime is 455321517269. The reversal of 455321517251 is 152715123554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455321517251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 455321517199 and 455321517208.

It is not a weakly prime, because it can be changed into another prime (455321517221) 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, 227660758625 + 227660758626.

It is an arithmetic number, because the mean of its divisors is an integer number (227660758626).

Almost surely, 2^455321517251 is an apocalyptic number.

455321517251 is a deficient number, since it is larger than the sum of its proper divisors (1).

455321517251 is an equidigital number, since it uses as much as digits as its factorization.

455321517251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210000, while the sum is 41.

The spelling of 455321517251 in words is "four hundred fifty-five billion, three hundred twenty-one million, five hundred seventeen thousand, two hundred fifty-one".