455820271 has 2 divisors, whose sum is σ = 455820272. Its totient is φ = 455820270.

The previous prime is 455820263. The next prime is 455820301. The reversal of 455820271 is 172028554.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455820271 - 2³ = 455820263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455820221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227910135 + 227910136.

It is an arithmetic number, because the mean of its divisors is an integer number (227910136).

Almost surely, 2^455820271 is an apocalyptic number.

455820271 is a deficient number, since it is larger than the sum of its proper divisors (1).

455820271 is an equidigital number, since it uses as much as digits as its factorization.

455820271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 455820271 is about 21349.9477985310. The cubic root of 455820271 is about 769.5990890983.

The spelling of 455820271 in words is "four hundred fifty-five million, eight hundred twenty thousand, two hundred seventy-one".