455570257 has 2 divisors, whose sum is σ = 455570258. Its totient is φ = 455570256.

The previous prime is 455570249. The next prime is 455570261. The reversal of 455570257 is 752075554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413268241 + 42302016 = 20329^2 + 6504^2 .

It is a cyclic number.

It is not a de Polignac number, because 455570257 - 2³ = 455570249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (455570207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227785128 + 227785129.

It is an arithmetic number, because the mean of its divisors is an integer number (227785129).

Almost surely, 2^455570257 is an apocalyptic number.

It is an amenable number.

455570257 is a deficient number, since it is larger than the sum of its proper divisors (1).

455570257 is an equidigital number, since it uses as much as digits as its factorization.

455570257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 455570257 is about 21344.0918523136. The cubic root of 455570257 is about 769.4583569222.

The spelling of 455570257 in words is "four hundred fifty-five million, five hundred seventy thousand, two hundred fifty-seven".