455897 has 4 divisors (see below), whose sum is σ = 490980. Its totient is φ = 420816.

The previous prime is 455881. The next prime is 455899. The reversal of 455897 is 798554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798554 = 2 ⋅399277.

It can be written as a sum of positive squares in 2 ways, for example, as 292681 + 163216 = 541^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 455897 - 2⁴ = 455881 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 455897.

It is not an unprimeable number, because it can be changed into a prime (455899) 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, 17522 + ... + 17547.

It is an arithmetic number, because the mean of its divisors is an integer number (122745).

2⁴⁵⁵⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

455897 is a deficient number, since it is larger than the sum of its proper divisors (35083).

455897 is a wasteful number, since it uses less digits than its factorization.

455897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35082.

The product of its digits is 50400, while the sum is 38.

The square root of 455897 is about 675.2014514202. The cubic root of 455897 is about 76.9642269316.

The spelling of 455897 in words is "four hundred fifty-five thousand, eight hundred ninety-seven".