455813 has 4 divisors (see below), whose sum is σ = 460428. Its totient is φ = 451200.

The previous prime is 455809. The next prime is 455827. The reversal of 455813 is 318554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187489 + 268324 = 433^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 455813 - 2² = 455809 is a prime.

It is a Duffinian 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, 2156 + ... + 2357.

It is an arithmetic number, because the mean of its divisors is an integer number (115107).

2⁴⁵⁵⁸¹³ is an apocalyptic number.

It is an amenable number.

455813 is a deficient number, since it is larger than the sum of its proper divisors (4615).

455813 is a wasteful number, since it uses less digits than its factorization.

455813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614.

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

The square root of 455813 is about 675.1392448969. The cubic root of 455813 is about 76.9594997000.

The spelling of 455813 in words is "four hundred fifty-five thousand, eight hundred thirteen".