454657561 has 4 divisors (see below), whose sum is σ = 460412800. Its totient is φ = 448902324.

The previous prime is 454657559. The next prime is 454657579. The reversal of 454657561 is 165756454.

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 a cyclic number.

It is not a de Polignac number, because 454657561 - 2¹ = 454657559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454654561) 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 3 ways as a sum of consecutive naturals, for example, 2877501 + ... + 2877658.

It is an arithmetic number, because the mean of its divisors is an integer number (115103200).

Almost surely, 2^454657561 is an apocalyptic number.

It is an amenable number.

454657561 is a deficient number, since it is larger than the sum of its proper divisors (5755239).

454657561 is an equidigital number, since it uses as much as digits as its factorization.

454657561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755238.

The product of its digits is 504000, while the sum is 43.

The square root of 454657561 is about 21322.7006028786. The cubic root of 454657561 is about 768.9441654128.

The spelling of 454657561 in words is "four hundred fifty-four million, six hundred fifty-seven thousand, five hundred sixty-one".