456710621 has 6 divisors (see below), whose sum is σ = 458760510. Its totient is φ = 454663608.

The previous prime is 456710567. The next prime is 456710623. The reversal of 456710621 is 126017654.

It can be written as a sum of positive squares in only one way, i.e., 286929721 + 169780900 = 16939^2 + 13030^2 .

It is not a de Polignac number, because 456710621 - 2¹⁴ = 456694237 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 (456710623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 349856 + ... + 351158.

It is an arithmetic number, because the mean of its divisors is an integer number (76460085).

Almost surely, 2^456710621 is an apocalyptic number.

It is an amenable number.

456710621 is a deficient number, since it is larger than the sum of its proper divisors (2049889).

456710621 is an frugal number, since it uses more digits than its factorization.

456710621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 456710621 is about 21370.7889653143. The cubic root of 456710621 is about 770.0998470622.

The spelling of 456710621 in words is "four hundred fifty-six million, seven hundred ten thousand, six hundred twenty-one".