455800391 has 2 divisors, whose sum is σ = 455800392. Its totient is φ = 455800390.

The previous prime is 455800349. The next prime is 455800399. The reversal of 455800391 is 193008554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455800391 - 2²² = 451606087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455800399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227900195 + 227900196.

It is an arithmetic number, because the mean of its divisors is an integer number (227900196).

Almost surely, 2^455800391 is an apocalyptic number.

455800391 is a deficient number, since it is larger than the sum of its proper divisors (1).

455800391 is an equidigital number, since it uses as much as digits as its factorization.

455800391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 455800391 is about 21349.4822185457. The cubic root of 455800391 is about 769.5879005859.

The spelling of 455800391 in words is "four hundred fifty-five million, eight hundred thousand, three hundred ninety-one".