115913273 has 12 divisors (see below), whose sum is σ = 138129012. Its totient is φ = 96929280.

The previous prime is 115913263. The next prime is 115913299. The reversal of 115913273 is 372319511.

It can be written as a sum of positive squares in 2 ways, for example, as 59182249 + 56731024 = 7693^2 + 7532^2 .

It is not a de Polignac number, because 115913273 - 2²² = 111718969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115913263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26840 + ... + 30857.

It is an arithmetic number, because the mean of its divisors is an integer number (11510751).

Almost surely, 2^115913273 is an apocalyptic number.

It is an amenable number.

115913273 is a deficient number, since it is larger than the sum of its proper divisors (22215739).

115913273 is an equidigital number, since it uses as much as digits as its factorization.

115913273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57752 (or 57745 counting only the distinct ones).

The product of its digits is 5670, while the sum is 32.

The square root of 115913273 is about 10766.3026615454. The cubic root of 115913273 is about 487.5783234226.

The spelling of 115913273 in words is "one hundred fifteen million, nine hundred thirteen thousand, two hundred seventy-three".