455665039 has 2 divisors, whose sum is σ = 455665040. Its totient is φ = 455665038.

The previous prime is 455665019. The next prime is 455665073. The reversal of 455665039 is 930566554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455665039 - 2²⁷ = 321447311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 455664986 and 455665004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455665019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227832519 + 227832520.

It is an arithmetic number, because the mean of its divisors is an integer number (227832520).

Almost surely, 2^455665039 is an apocalyptic number.

455665039 is a deficient number, since it is larger than the sum of its proper divisors (1).

455665039 is an equidigital number, since it uses as much as digits as its factorization.

455665039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 455665039 is about 21346.3120702383. The cubic root of 455665039 is about 769.5117155013.

It can be divided in two parts, 45566 and 5039, that added together give a palindrome (50605).

The spelling of 455665039 in words is "four hundred fifty-five million, six hundred sixty-five thousand, thirty-nine".