455831 has 2 divisors, whose sum is σ = 455832. Its totient is φ = 455830.

The previous prime is 455827. The next prime is 455849. The reversal of 455831 is 138554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455831 - 2² = 455827 is a prime.

It is a super-2 number, since 2×455831² = 415563801122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227915 + 227916.

It is an arithmetic number, because the mean of its divisors is an integer number (227916).

2⁴⁵⁵⁸³¹ is an apocalyptic number.

455831 is a deficient number, since it is larger than the sum of its proper divisors (1).

455831 is an equidigital number, since it uses as much as digits as its factorization.

455831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 26.

The square root of 455831 is about 675.1525753487. The cubic root of 455831 is about 76.9605127271.

The spelling of 455831 in words is "four hundred fifty-five thousand, eight hundred thirty-one".