455623913 has 2 divisors, whose sum is σ = 455623914. Its totient is φ = 455623912.

The previous prime is 455623877. The next prime is 455623921. The reversal of 455623913 is 319326554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448931344 + 6692569 = 21188^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 455623913 - 2¹⁰ = 455622889 is a prime.

It is not a weakly prime, because it can be changed into another prime (455623943) 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, 227811956 + 227811957.

It is an arithmetic number, because the mean of its divisors is an integer number (227811957).

Almost surely, 2^455623913 is an apocalyptic number.

It is an amenable number.

455623913 is a deficient number, since it is larger than the sum of its proper divisors (1).

455623913 is an equidigital number, since it uses as much as digits as its factorization.

455623913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The square root of 455623913 is about 21345.3487439301. The cubic root of 455623913 is about 769.4885640719.

The spelling of 455623913 in words is "four hundred fifty-five million, six hundred twenty-three thousand, nine hundred thirteen".