115071493 has 4 divisors (see below), whose sum is σ = 115519500. Its totient is φ = 114623488.

The previous prime is 115071457. The next prime is 115071499. The reversal of 115071493 is 394170511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84235684 + 30835809 = 9178^2 + 5553^2 .

It is a cyclic number.

It is not a de Polignac number, because 115071493 - 2⁹ = 115070981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115071499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223618 + ... + 224131.

It is an arithmetic number, because the mean of its divisors is an integer number (28879875).

Almost surely, 2^115071493 is an apocalyptic number.

It is an amenable number.

115071493 is a deficient number, since it is larger than the sum of its proper divisors (448007).

115071493 is an equidigital number, since it uses as much as digits as its factorization.

115071493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448006.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 115071493 is about 10727.1381551652. The cubic root of 115071493 is about 486.3951651222.

It can be divided in two parts, 11 and 5071493, that added together give a square (5071504 = 2252²).

The spelling of 115071493 in words is "one hundred fifteen million, seventy-one thousand, four hundred ninety-three".