452118321 has 16 divisors (see below), whose sum is σ = 670238400. Its totient is φ = 301217184.

The previous prime is 452118313. The next prime is 452118341. The reversal of 452118321 is 123811254.

It is not a de Polignac number, because 452118321 - 2³ = 452118313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (452118301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45925 + ... + 54893.

It is an arithmetic number, because the mean of its divisors is an integer number (41889900).

Almost surely, 2^452118321 is an apocalyptic number.

It is an amenable number.

452118321 is a deficient number, since it is larger than the sum of its proper divisors (218120079).

452118321 is a wasteful number, since it uses less digits than its factorization.

452118321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10845 (or 10839 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 452118321 is about 21263.0741192331. The cubic root of 452118321 is about 767.5099871024.

Adding to 452118321 its reverse (123811254), we get a palindrome (575929575).

The spelling of 452118321 in words is "four hundred fifty-two million, one hundred eighteen thousand, three hundred twenty-one".