115438497 has 4 divisors (see below), whose sum is σ = 153918000. Its totient is φ = 76958996.

The previous prime is 115438481. The next prime is 115438501. The reversal of 115438497 is 794834511.

It is a happy number.

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 115438497 - 2⁴ = 115438481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115438417) 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, 19239747 + ... + 19239752.

It is an arithmetic number, because the mean of its divisors is an integer number (38479500).

Almost surely, 2^115438497 is an apocalyptic number.

It is an amenable number.

115438497 is a deficient number, since it is larger than the sum of its proper divisors (38479503).

115438497 is an equidigital number, since it uses as much as digits as its factorization.

115438497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38479502.

The product of its digits is 120960, while the sum is 42.

The square root of 115438497 is about 10744.2308705649. The cubic root of 115438497 is about 486.9117122004.

The spelling of 115438497 in words is "one hundred fifteen million, four hundred thirty-eight thousand, four hundred ninety-seven".