454506561 has 6 divisors (see below), whose sum is σ = 656509490. Its totient is φ = 303004368.

The previous prime is 454506553. The next prime is 454506583. The reversal of 454506561 is 165605454.

454506561 is a `hidden beast` number, since 45 + 4 + 50 + 6 + 561 = 666.

It can be written as a sum of positive squares in only one way, i.e., 340956225 + 113550336 = 18465^2 + 10656^2 .

It is not a de Polignac number, because 454506561 - 2³ = 454506553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454506511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25250356 + ... + 25250373.

Almost surely, 2^454506561 is an apocalyptic number.

It is an amenable number.

454506561 is a deficient number, since it is larger than the sum of its proper divisors (202002929).

454506561 is a wasteful number, since it uses less digits than its factorization.

454506561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50500735 (or 50500732 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 454506561 is about 21319.1594815556. The cubic root of 454506561 is about 768.8590292316.

The spelling of 454506561 in words is "four hundred fifty-four million, five hundred six thousand, five hundred sixty-one".