456666253 has 4 divisors (see below), whose sum is σ = 458626428. Its totient is φ = 454706080.

The previous prime is 456666251. The next prime is 456666269. The reversal of 456666253 is 352666654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352666654 = 2 ⋅176333327.

It can be written as a sum of positive squares in 2 ways, for example, as 207878724 + 248787529 = 14418^2 + 15773^2 .

It is a cyclic number.

It is not a de Polignac number, because 456666253 - 2¹ = 456666251 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 (456666251) 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, 979738 + ... + 980203.

It is an arithmetic number, because the mean of its divisors is an integer number (114656607).

Almost surely, 2^456666253 is an apocalyptic number.

It is an amenable number.

456666253 is a deficient number, since it is larger than the sum of its proper divisors (1960175).

456666253 is a wasteful number, since it uses less digits than its factorization.

456666253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960174.

The product of its digits is 777600, while the sum is 43.

The square root of 456666253 is about 21369.7508876449. The cubic root of 456666253 is about 770.0749086622.

The spelling of 456666253 in words is "four hundred fifty-six million, six hundred sixty-six thousand, two hundred fifty-three".