458261117 has 2 divisors, whose sum is σ = 458261118. Its totient is φ = 458261116.

The previous prime is 458261113. The next prime is 458261119. The reversal of 458261117 is 711162854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442092676 + 16168441 = 21026^2 + 4021^2 .

It is a cyclic number.

It is not a de Polignac number, because 458261117 - 2² = 458261113 is a prime.

Together with 458261119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (458261113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229130558 + 229130559.

It is an arithmetic number, because the mean of its divisors is an integer number (229130559).

Almost surely, 2^458261117 is an apocalyptic number.

It is an amenable number.

458261117 is a deficient number, since it is larger than the sum of its proper divisors (1).

458261117 is an equidigital number, since it uses as much as digits as its factorization.

458261117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 35.

The square root of 458261117 is about 21407.0342878223. The cubic root of 458261117 is about 770.9703385001.

The spelling of 458261117 in words is "four hundred fifty-eight million, two hundred sixty-one thousand, one hundred seventeen".