451673252 has 12 divisors (see below), whose sum is σ = 792421980. Its totient is φ = 225266976.

The previous prime is 451673251. The next prime is 451673269. The reversal of 451673252 is 252376154.

It can be written as a sum of positive squares in 2 ways, for example, as 118026496 + 333646756 = 10864^2 + 18266^2 .

It is not an unprimeable number, because it can be changed into a prime (451673251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140627 + ... + 143802.

It is an arithmetic number, because the mean of its divisors is an integer number (66035165).

Almost surely, 2^451673252 is an apocalyptic number.

It is an amenable number.

451673252 is a deficient number, since it is larger than the sum of its proper divisors (340748728).

451673252 is a wasteful number, since it uses less digits than its factorization.

451673252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284830 (or 284828 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 451673252 is about 21252.6057696462. The cubic root of 451673252 is about 767.2580566987.

The spelling of 451673252 in words is "four hundred fifty-one million, six hundred seventy-three thousand, two hundred fifty-two".