455117291 has 2 divisors, whose sum is σ = 455117292. Its totient is φ = 455117290.

The previous prime is 455117233. The next prime is 455117321. The reversal of 455117291 is 192711554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455117291 - 2¹⁰ = 455116267 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (455117191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227558645 + 227558646.

It is an arithmetic number, because the mean of its divisors is an integer number (227558646).

Almost surely, 2^455117291 is an apocalyptic number.

455117291 is a deficient number, since it is larger than the sum of its proper divisors (1).

455117291 is an equidigital number, since it uses as much as digits as its factorization.

455117291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 35.

The square root of 455117291 is about 21333.4781739875. The cubic root of 455117291 is about 769.2032524329.

The spelling of 455117291 in words is "four hundred fifty-five million, one hundred seventeen thousand, two hundred ninety-one".