115542497 has 16 divisors (see below), whose sum is σ = 135820800. Its totient is φ = 96237888.

The previous prime is 115542481. The next prime is 115542509. The reversal of 115542497 is 794245511.

It is a cyclic number.

It is not a de Polignac number, because 115542497 - 2⁴ = 115542481 is a prime.

It is a super-2 number, since 2×115542497² = 26700137225990018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115542497.

It is not an unprimeable number, because it can be changed into a prime (115542437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47843 + ... + 50199.

It is an arithmetic number, because the mean of its divisors is an integer number (8488800).

Almost surely, 2^115542497 is an apocalyptic number.

It is an amenable number.

115542497 is a deficient number, since it is larger than the sum of its proper divisors (20278303).

115542497 is a wasteful number, since it uses less digits than its factorization.

115542497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560.

The product of its digits is 50400, while the sum is 38.

The square root of 115542497 is about 10749.0695876434. The cubic root of 115542497 is about 487.0578899486.

The spelling of 115542497 in words is "one hundred fifteen million, five hundred forty-two thousand, four hundred ninety-seven".