115858493 has 2 divisors, whose sum is σ = 115858494. Its totient is φ = 115858492.

The previous prime is 115858471. The next prime is 115858517. The reversal of 115858493 is 394858511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67930564 + 47927929 = 8242^2 + 6923^2 .

It is a cyclic number.

It is not a de Polignac number, because 115858493 - 2²⁶ = 48749629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115858453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57929246 + 57929247.

It is an arithmetic number, because the mean of its divisors is an integer number (57929247).

Almost surely, 2^115858493 is an apocalyptic number.

It is an amenable number.

115858493 is a deficient number, since it is larger than the sum of its proper divisors (1).

115858493 is an equidigital number, since it uses as much as digits as its factorization.

115858493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 44.

The square root of 115858493 is about 10763.7583120395. The cubic root of 115858493 is about 487.5015023403.

The spelling of 115858493 in words is "one hundred fifteen million, eight hundred fifty-eight thousand, four hundred ninety-three".