115309373 has 4 divisors (see below), whose sum is σ = 120322848. Its totient is φ = 110295900.

The previous prime is 115309361. The next prime is 115309387. The reversal of 115309373 is 373903511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115309373 - 2¹² = 115305277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115309303) 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, 2506703 + ... + 2506748.

It is an arithmetic number, because the mean of its divisors is an integer number (30080712).

Almost surely, 2^115309373 is an apocalyptic number.

It is an amenable number.

115309373 is a deficient number, since it is larger than the sum of its proper divisors (5013475).

115309373 is an equidigital number, since it uses as much as digits as its factorization.

115309373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013474.

The product of its (nonzero) digits is 8505, while the sum is 32.

The square root of 115309373 is about 10738.2201970345. The cubic root of 115309373 is about 486.7300990586.

The spelling of 115309373 in words is "one hundred fifteen million, three hundred nine thousand, three hundred seventy-three".