452217791 has 2 divisors, whose sum is σ = 452217792. Its totient is φ = 452217790.

The previous prime is 452217769. The next prime is 452217809. The reversal of 452217791 is 197712254.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452217791 - 2²² = 448023487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452217761) 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, 226108895 + 226108896.

It is an arithmetic number, because the mean of its divisors is an integer number (226108896).

Almost surely, 2^452217791 is an apocalyptic number.

452217791 is a deficient number, since it is larger than the sum of its proper divisors (1).

452217791 is an equidigital number, since it uses as much as digits as its factorization.

452217791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 38.

The square root of 452217791 is about 21265.4130220882. The cubic root of 452217791 is about 767.5662692870.

The spelling of 452217791 in words is "four hundred fifty-two million, two hundred seventeen thousand, seven hundred ninety-one".