115091293 has 2 divisors, whose sum is σ = 115091294. Its totient is φ = 115091292.

The previous prime is 115091269. The next prime is 115091299. The reversal of 115091293 is 392190511.

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., 108930969 + 6160324 = 10437^2 + 2482^2 .

It is an emirp because it is prime and its reverse (392190511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115091293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115091299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57545646 + 57545647.

It is an arithmetic number, because the mean of its divisors is an integer number (57545647).

Almost surely, 2^115091293 is an apocalyptic number.

It is an amenable number.

115091293 is a deficient number, since it is larger than the sum of its proper divisors (1).

115091293 is an equidigital number, since it uses as much as digits as its factorization.

115091293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 115091293 is about 10728.0610084022. The cubic root of 115091293 is about 486.4230610320.

The spelling of 115091293 in words is "one hundred fifteen million, ninety-one thousand, two hundred ninety-three".