453321561 has 64 divisors (see below), whose sum is σ = 781664256. Its totient is φ = 226886400.

The previous prime is 453321553. The next prime is 453321571. The reversal of 453321561 is 165123354.

It is not a de Polignac number, because 453321561 - 2³ = 453321553 is a prime.

It is a super-3 number, since 3×453321561³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (453321571) 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 63 ways as a sum of consecutive naturals, for example, 746520 + ... + 747126.

It is an arithmetic number, because the mean of its divisors is an integer number (12213504).

Almost surely, 2^453321561 is an apocalyptic number.

It is an amenable number.

453321561 is a deficient number, since it is larger than the sum of its proper divisors (328342695).

453321561 is a wasteful number, since it uses less digits than its factorization.

453321561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its digits is 10800, while the sum is 30.

The square root of 453321561 is about 21291.3494405592. The cubic root of 453321561 is about 768.1902520062.

The spelling of 453321561 in words is "four hundred fifty-three million, three hundred twenty-one thousand, five hundred sixty-one".