455175491 has 2 divisors, whose sum is σ = 455175492. Its totient is φ = 455175490.

The previous prime is 455175463. The next prime is 455175509. The reversal of 455175491 is 194571554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455175491 is a prime.

It is not a weakly prime, because it can be changed into another prime (455175431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227587745 + 227587746.

It is an arithmetic number, because the mean of its divisors is an integer number (227587746).

Almost surely, 2^455175491 is an apocalyptic number.

455175491 is a deficient number, since it is larger than the sum of its proper divisors (1).

455175491 is an equidigital number, since it uses as much as digits as its factorization.

455175491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 41.

The square root of 455175491 is about 21334.8421836207. The cubic root of 455175491 is about 769.2360393811.

The spelling of 455175491 in words is "four hundred fifty-five million, one hundred seventy-five thousand, four hundred ninety-one".