452163391 has 2 divisors, whose sum is σ = 452163392. Its totient is φ = 452163390.

The previous prime is 452163319. The next prime is 452163403. The reversal of 452163391 is 193361254.

Together with previous prime (452163319) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452163391 - 2¹⁹ = 451639103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452163301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226081695 + 226081696.

It is an arithmetic number, because the mean of its divisors is an integer number (226081696).

Almost surely, 2^452163391 is an apocalyptic number.

452163391 is a deficient number, since it is larger than the sum of its proper divisors (1).

452163391 is an equidigital number, since it uses as much as digits as its factorization.

452163391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 452163391 is about 21264.1339113541. The cubic root of 452163391 is about 767.5354896639.

The spelling of 452163391 in words is "four hundred fifty-two million, one hundred sixty-three thousand, three hundred ninety-one".