455115509 has 2 divisors, whose sum is σ = 455115510. Its totient is φ = 455115508.

The previous prime is 455115497. The next prime is 455115541. The reversal of 455115509 is 905511554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394618225 + 60497284 = 19865^2 + 7778^2 .

It is a cyclic number.

It is not a de Polignac number, because 455115509 - 2⁸ = 455115253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455115209) 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, 227557754 + 227557755.

It is an arithmetic number, because the mean of its divisors is an integer number (227557755).

Almost surely, 2^455115509 is an apocalyptic number.

It is an amenable number.

455115509 is a deficient number, since it is larger than the sum of its proper divisors (1).

455115509 is an equidigital number, since it uses as much as digits as its factorization.

455115509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 455115509 is about 21333.4364086052. The cubic root of 455115509 is about 769.2022484997.

The spelling of 455115509 in words is "four hundred fifty-five million, one hundred fifteen thousand, five hundred nine".