455711657 has 2 divisors, whose sum is σ = 455711658. Its totient is φ = 455711656.

The previous prime is 455711653. The next prime is 455711699. The reversal of 455711657 is 756117554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426670336 + 29041321 = 20656^2 + 5389^2 .

It is a cyclic number.

It is not a de Polignac number, because 455711657 - 2² = 455711653 is a prime.

It is a super-2 number, since 2×455711657² = 415346228651371298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (455711653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227855828 + 227855829.

It is an arithmetic number, because the mean of its divisors is an integer number (227855829).

Almost surely, 2^455711657 is an apocalyptic number.

It is an amenable number.

455711657 is a deficient number, since it is larger than the sum of its proper divisors (1).

455711657 is an equidigital number, since it uses as much as digits as its factorization.

455711657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 41.

The square root of 455711657 is about 21347.4039873705. The cubic root of 455711657 is about 769.5379569073.

The spelling of 455711657 in words is "four hundred fifty-five million, seven hundred eleven thousand, six hundred fifty-seven".