452812729 has 2 divisors, whose sum is σ = 452812730. Its totient is φ = 452812728.

The previous prime is 452812721. The next prime is 452812741. The reversal of 452812729 is 927218254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447407104 + 5405625 = 21152^2 + 2325^2 .

It is a cyclic number.

It is not a de Polignac number, because 452812729 - 2³ = 452812721 is a prime.

It is a super-3 number, since 3×452812729³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 452812691 and 452812700.

It is not a weakly prime, because it can be changed into another prime (452812721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226406364 + 226406365.

It is an arithmetic number, because the mean of its divisors is an integer number (226406365).

Almost surely, 2^452812729 is an apocalyptic number.

It is an amenable number.

452812729 is a deficient number, since it is larger than the sum of its proper divisors (1).

452812729 is an equidigital number, since it uses as much as digits as its factorization.

452812729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 452812729 is about 21279.3968194590. The cubic root of 452812729 is about 767.9027253326.

The spelling of 452812729 in words is "four hundred fifty-two million, eight hundred twelve thousand, seven hundred twenty-nine".