452428309 has 2 divisors, whose sum is σ = 452428310. Its totient is φ = 452428308.

The previous prime is 452428307. The next prime is 452428349. The reversal of 452428309 is 903824254.

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., 390852900 + 61575409 = 19770^2 + 7847^2 .

It is a cyclic number.

It is not a de Polignac number, because 452428309 - 2¹ = 452428307 is a prime.

Together with 452428307, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452428307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226214154 + 226214155.

It is an arithmetic number, because the mean of its divisors is an integer number (226214155).

Almost surely, 2^452428309 is an apocalyptic number.

It is an amenable number.

452428309 is a deficient number, since it is larger than the sum of its proper divisors (1).

452428309 is an equidigital number, since it uses as much as digits as its factorization.

452428309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 452428309 is about 21270.3622207051. The cubic root of 452428309 is about 767.6853575165.

The spelling of 452428309 in words is "four hundred fifty-two million, four hundred twenty-eight thousand, three hundred nine".