452591612 has 24 divisors (see below), whose sum is σ = 914865840. Its totient is φ = 193621760.

The previous prime is 452591569. The next prime is 452591617. The reversal of 452591612 is 216195254.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452591617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301787 + ... + 303282.

It is an arithmetic number, because the mean of its divisors is an integer number (38119410).

Almost surely, 2^452591612 is an apocalyptic number.

It is an amenable number.

452591612 is an abundant number, since it is smaller than the sum of its proper divisors (462274228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452591612 is a wasteful number, since it uses less digits than its factorization.

452591612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605101 (or 605099 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 452591612 is about 21274.2006195298. The cubic root of 452591612 is about 767.7777111845. Note that the first 4 decimals are identical.

The spelling of 452591612 in words is "four hundred fifty-two million, five hundred ninety-one thousand, six hundred twelve".