455261 has 2 divisors, whose sum is σ = 455262. Its totient is φ = 455260.

The previous prime is 455237. The next prime is 455263. The reversal of 455261 is 162554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 32761 = 650^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 455261 - 2¹⁴ = 438877 is a prime.

It is a Sophie Germain prime.

Together with 455263, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227630 + 227631.

It is an arithmetic number, because the mean of its divisors is an integer number (227631).

2⁴⁵⁵²⁶¹ is an apocalyptic number.

It is an amenable number.

455261 is a deficient number, since it is larger than the sum of its proper divisors (1).

455261 is an equidigital number, since it uses as much as digits as its factorization.

455261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 455261 is about 674.7303164969. The cubic root of 455261 is about 76.9284205775.

The spelling of 455261 in words is "four hundred fifty-five thousand, two hundred sixty-one".