452165449 has 2 divisors, whose sum is σ = 452165450. Its totient is φ = 452165448.

The previous prime is 452165407. The next prime is 452165503. The reversal of 452165449 is 944561254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390260025 + 61905424 = 19755^2 + 7868^2 .

It is a cyclic number.

It is not a de Polignac number, because 452165449 - 2¹⁹ = 451641161 is a prime.

It is not a weakly prime, because it can be changed into another prime (452165149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226082724 + 226082725.

It is an arithmetic number, because the mean of its divisors is an integer number (226082725).

Almost surely, 2^452165449 is an apocalyptic number.

It is an amenable number.

452165449 is a deficient number, since it is larger than the sum of its proper divisors (1).

452165449 is an equidigital number, since it uses as much as digits as its factorization.

452165449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The square root of 452165449 is about 21264.1823026422. The cubic root of 452165449 is about 767.5366541291.

The spelling of 452165449 in words is "four hundred fifty-two million, one hundred sixty-five thousand, four hundred forty-nine".