452209399 has 2 divisors, whose sum is σ = 452209400. Its totient is φ = 452209398.

The previous prime is 452209397. The next prime is 452209423. The reversal of 452209399 is 993902254.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 452209399 - 2¹ = 452209397 is a prime.

Together with 452209397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452209397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226104699 + 226104700.

It is an arithmetic number, because the mean of its divisors is an integer number (226104700).

Almost surely, 2^452209399 is an apocalyptic number.

452209399 is a deficient number, since it is larger than the sum of its proper divisors (1).

452209399 is an equidigital number, since it uses as much as digits as its factorization.

452209399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 452209399 is about 21265.2157054661. The cubic root of 452209399 is about 767.5615212385.

The spelling of 452209399 in words is "four hundred fifty-two million, two hundred nine thousand, three hundred ninety-nine".