452271899 has 2 divisors, whose sum is σ = 452271900. Its totient is φ = 452271898.

The previous prime is 452271857. The next prime is 452271901. The reversal of 452271899 is 998172254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452271899 - 2²⁰ = 451223323 is a prime.

Together with 452271901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (452271299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226135949 + 226135950.

It is an arithmetic number, because the mean of its divisors is an integer number (226135950).

Almost surely, 2^452271899 is an apocalyptic number.

452271899 is a deficient number, since it is larger than the sum of its proper divisors (1).

452271899 is an equidigital number, since it uses as much as digits as its factorization.

452271899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 452271899 is about 21266.6851906920. The cubic root of 452271899 is about 767.5968812474.

The spelling of 452271899 in words is "four hundred fifty-two million, two hundred seventy-one thousand, eight hundred ninety-nine".