455783813 has 2 divisors, whose sum is σ = 455783814. Its totient is φ = 455783812.

The previous prime is 455783777. The next prime is 455783819. The reversal of 455783813 is 318387554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417058084 + 38725729 = 20422^2 + 6223^2 .

It is a cyclic number.

It is not a de Polignac number, because 455783813 - 2⁸ = 455783557 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 (455783819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227891906 + 227891907.

It is an arithmetic number, because the mean of its divisors is an integer number (227891907).

Almost surely, 2^455783813 is an apocalyptic number.

It is an amenable number.

455783813 is a deficient number, since it is larger than the sum of its proper divisors (1).

455783813 is an equidigital number, since it uses as much as digits as its factorization.

455783813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The square root of 455783813 is about 21349.0939620397. The cubic root of 455783813 is about 769.5785701983.

The spelling of 455783813 in words is "four hundred fifty-five million, seven hundred eighty-three thousand, eight hundred thirteen".