452039729 has 2 divisors, whose sum is σ = 452039730. Its totient is φ = 452039728.

The previous prime is 452039713. The next prime is 452039759. The reversal of 452039729 is 927930254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320410000 + 131629729 = 17900^2 + 11473^2 .

It is a cyclic number.

It is not a de Polignac number, because 452039729 - 2⁴ = 452039713 is a prime.

It is not a weakly prime, because it can be changed into another prime (452039759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226019864 + 226019865.

It is an arithmetic number, because the mean of its divisors is an integer number (226019865).

Almost surely, 2^452039729 is an apocalyptic number.

It is an amenable number.

452039729 is a deficient number, since it is larger than the sum of its proper divisors (1).

452039729 is an equidigital number, since it uses as much as digits as its factorization.

452039729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 452039729 is about 21261.2259524233. The cubic root of 452039729 is about 767.4655122842.

The spelling of 452039729 in words is "four hundred fifty-two million, thirty-nine thousand, seven hundred twenty-nine".