456418561 has 4 divisors (see below), whose sum is σ = 456531012. Its totient is φ = 456306112.

The previous prime is 456418537. The next prime is 456418583. The reversal of 456418561 is 165814654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 373262400 + 83156161 = 19320^2 + 9119^2 .

It is a cyclic number.

It is not a de Polignac number, because 456418561 - 2¹⁵ = 456385793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456418591) 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, 49900 + ... + 58333.

It is an arithmetic number, because the mean of its divisors is an integer number (114132753).

Almost surely, 2^456418561 is an apocalyptic number.

It is an amenable number.

456418561 is a deficient number, since it is larger than the sum of its proper divisors (112451).

456418561 is a wasteful number, since it uses less digits than its factorization.

456418561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112450.

The product of its digits is 115200, while the sum is 40.

The square root of 456418561 is about 21363.9547134888. The cubic root of 456418561 is about 769.9356560615.

The spelling of 456418561 in words is "four hundred fifty-six million, four hundred eighteen thousand, five hundred sixty-one".