455424391 has 2 divisors, whose sum is σ = 455424392. Its totient is φ = 455424390.

The previous prime is 455424383. The next prime is 455424451. The reversal of 455424391 is 193424554.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455424391 - 2³ = 455424383 is a prime.

It is a super-2 number, since 2×455424391² = 414822751835441762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 455424391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455424301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227712195 + 227712196.

It is an arithmetic number, because the mean of its divisors is an integer number (227712196).

Almost surely, 2^455424391 is an apocalyptic number.

455424391 is a deficient number, since it is larger than the sum of its proper divisors (1).

455424391 is an equidigital number, since it uses as much as digits as its factorization.

455424391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 455424391 is about 21340.6745675951. The cubic root of 455424391 is about 769.3762255773.

The spelling of 455424391 in words is "four hundred fifty-five million, four hundred twenty-four thousand, three hundred ninety-one".