455020897 has 2 divisors, whose sum is σ = 455020898. Its totient is φ = 455020896.

The previous prime is 455020871. The next prime is 455020903. The reversal of 455020897 is 798020554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234824976 + 220195921 = 15324^2 + 14839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455020897 is a prime.

It is not a weakly prime, because it can be changed into another prime (455020837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227510448 + 227510449.

It is an arithmetic number, because the mean of its divisors is an integer number (227510449).

Almost surely, 2^455020897 is an apocalyptic number.

It is an amenable number.

455020897 is a deficient number, since it is larger than the sum of its proper divisors (1).

455020897 is an equidigital number, since it uses as much as digits as its factorization.

455020897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 455020897 is about 21331.2188353127. The cubic root of 455020897 is about 769.1489427599.

The spelling of 455020897 in words is "four hundred fifty-five million, twenty thousand, eight hundred ninety-seven".