455840513 has 2 divisors, whose sum is σ = 455840514. Its totient is φ = 455840512.

The previous prime is 455840509. The next prime is 455840521. The reversal of 455840513 is 315048554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436935409 + 18905104 = 20903^2 + 4348^2 .

It is a cyclic number.

It is not a de Polignac number, because 455840513 - 2² = 455840509 is a prime.

It is not a weakly prime, because it can be changed into another prime (455840503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227920256 + 227920257.

It is an arithmetic number, because the mean of its divisors is an integer number (227920257).

Almost surely, 2^455840513 is an apocalyptic number.

It is an amenable number.

455840513 is a deficient number, since it is larger than the sum of its proper divisors (1).

455840513 is an equidigital number, since it uses as much as digits as its factorization.

455840513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 455840513 is about 21350.4218459496. The cubic root of 455840513 is about 769.6104810110.

The spelling of 455840513 in words is "four hundred fifty-five million, eight hundred forty thousand, five hundred thirteen".