452518091 has 2 divisors, whose sum is σ = 452518092. Its totient is φ = 452518090.

The previous prime is 452518057. The next prime is 452518109. The reversal of 452518091 is 190815254.

Together with next prime (452518109) 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 a de Polignac number, because none of the positive numbers 2^k-452518091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (452518691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226259045 + 226259046.

It is an arithmetic number, because the mean of its divisors is an integer number (226259046).

Almost surely, 2^452518091 is an apocalyptic number.

452518091 is a deficient number, since it is larger than the sum of its proper divisors (1).

452518091 is an equidigital number, since it uses as much as digits as its factorization.

452518091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 452518091 is about 21272.4726113351. The cubic root of 452518091 is about 767.7361351879.

The spelling of 452518091 in words is "four hundred fifty-two million, five hundred eighteen thousand, ninety-one".