455861 has 4 divisors (see below), whose sum is σ = 520992. Its totient is φ = 390732.

The previous prime is 455849. The next prime is 455863. The reversal of 455861 is 168554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32555 + ... + 32568.

It is an arithmetic number, because the mean of its divisors is an integer number (130248).

2⁴⁵⁵⁸⁶¹ is an apocalyptic number.

It is an amenable number.

455861 is a deficient number, since it is larger than the sum of its proper divisors (65131).

455861 is an equidigital number, since it uses as much as digits as its factorization.

455861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65130.

The product of its digits is 4800, while the sum is 29.

The square root of 455861 is about 675.1747921835. The cubic root of 455861 is about 76.9622010463.

The spelling of 455861 in words is "four hundred fifty-five thousand, eight hundred sixty-one".