452540609 has 2 divisors, whose sum is σ = 452540610. Its totient is φ = 452540608.

The previous prime is 452540603. The next prime is 452540633. The reversal of 452540609 is 906045254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248850625 + 203689984 = 15775^2 + 14272^2 .

It is a cyclic number.

It is not a de Polignac number, because 452540609 - 2⁸ = 452540353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (452540603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226270304 + 226270305.

It is an arithmetic number, because the mean of its divisors is an integer number (226270305).

Almost surely, 2^452540609 is an apocalyptic number.

It is an amenable number.

452540609 is a deficient number, since it is larger than the sum of its proper divisors (1).

452540609 is an equidigital number, since it uses as much as digits as its factorization.

452540609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 452540609 is about 21273.0018803177. The cubic root of 452540609 is about 767.7488695558.

The spelling of 452540609 in words is "four hundred fifty-two million, five hundred forty thousand, six hundred nine".