456265661 has 4 divisors (see below), whose sum is σ = 459858432. Its totient is φ = 452672892.

The previous prime is 456265643. The next prime is 456265673. The reversal of 456265661 is 166562654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166562654 = 2 ⋅83281327.

It is a cyclic number.

It is not a de Polignac number, because 456265661 - 2⁶ = 456265597 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 (456265631) 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 3 ways as a sum of consecutive naturals, for example, 1796195 + ... + 1796448.

It is an arithmetic number, because the mean of its divisors is an integer number (114964608).

Almost surely, 2^456265661 is an apocalyptic number.

It is an amenable number.

456265661 is a deficient number, since it is larger than the sum of its proper divisors (3592771).

456265661 is a wasteful number, since it uses less digits than its factorization.

456265661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592770.

The product of its digits is 259200, while the sum is 41.

The square root of 456265661 is about 21360.3759564292. The cubic root of 456265661 is about 769.8496704333.

The spelling of 456265661 in words is "four hundred fifty-six million, two hundred sixty-five thousand, six hundred sixty-one".