115816273 has 2 divisors, whose sum is σ = 115816274. Its totient is φ = 115816272.

The previous prime is 115816219. The next prime is 115816277. The reversal of 115816273 is 372618511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87011584 + 28804689 = 9328^2 + 5367^2 .

It is a cyclic number.

It is not a de Polignac number, because 115816273 - 2¹³ = 115808081 is a prime.

It is a super-2 number, since 2×115816273² = 26826818183221058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115816277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57908136 + 57908137.

It is an arithmetic number, because the mean of its divisors is an integer number (57908137).

Almost surely, 2^115816273 is an apocalyptic number.

It is an amenable number.

115816273 is a deficient number, since it is larger than the sum of its proper divisors (1).

115816273 is an equidigital number, since it uses as much as digits as its factorization.

115816273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 34.

The square root of 115816273 is about 10761.7969224475. The cubic root of 115816273 is about 487.4422783291.

The spelling of 115816273 in words is "one hundred fifteen million, eight hundred sixteen thousand, two hundred seventy-three".