452217089 has 2 divisors, whose sum is σ = 452217090. Its totient is φ = 452217088.

The previous prime is 452217083. The next prime is 452217107. The reversal of 452217089 is 980712254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407434225 + 44782864 = 20185^2 + 6692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452217089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (452217083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226108544 + 226108545.

It is an arithmetic number, because the mean of its divisors is an integer number (226108545).

Almost surely, 2^452217089 is an apocalyptic number.

It is an amenable number.

452217089 is a deficient number, since it is larger than the sum of its proper divisors (1).

452217089 is an equidigital number, since it uses as much as digits as its factorization.

452217089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 452217089 is about 21265.3965164066. The cubic root of 452217089 is about 767.5658721098.

The spelling of 452217089 in words is "four hundred fifty-two million, two hundred seventeen thousand, eighty-nine".