456606561 has 4 divisors (see below), whose sum is σ = 608808752. Its totient is φ = 304404372.

The previous prime is 456606547. The next prime is 456606569. The reversal of 456606561 is 165606654.

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.

It is not a de Polignac number, because 456606561 - 2⁹ = 456606049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456606569) 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, 76101091 + ... + 76101096.

It is an arithmetic number, because the mean of its divisors is an integer number (152202188).

Almost surely, 2^456606561 is an apocalyptic number.

It is an amenable number.

456606561 is a deficient number, since it is larger than the sum of its proper divisors (152202191).

456606561 is a wasteful number, since it uses less digits than its factorization.

456606561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152202190.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 456606561 is about 21368.3541949304. The cubic root of 456606561 is about 770.0413543877.

The spelling of 456606561 in words is "four hundred fifty-six million, six hundred six thousand, five hundred sixty-one".