455265261 has 24 divisors (see below), whose sum is σ = 718544736. Its totient is φ = 275473440.

The previous prime is 455265257. The next prime is 455265263. The reversal of 455265261 is 162562554.

It is not a de Polignac number, because 455265261 - 2² = 455265257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455265263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64251 + ... + 70983.

It is an arithmetic number, because the mean of its divisors is an integer number (29939364).

Almost surely, 2^455265261 is an apocalyptic number.

It is an amenable number.

455265261 is a deficient number, since it is larger than the sum of its proper divisors (263279475).

455265261 is a wasteful number, since it uses less digits than its factorization.

455265261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7433 (or 7430 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 455265261 is about 21336.9459154772. The cubic root of 455265261 is about 769.2866057974.

The spelling of 455265261 in words is "four hundred fifty-five million, two hundred sixty-five thousand, two hundred sixty-one".