115974537 has 16 divisors (see below), whose sum is σ = 186024960. Its totient is φ = 62782992.

The previous prime is 115974517. The next prime is 115974541. The reversal of 115974537 is 735479511.

It is not a de Polignac number, because 115974537 - 2⁷ = 115974409 is a prime.

It is a super-3 number, since 3×115974537³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (115974517) 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, 144933 + ... + 145730.

It is an arithmetic number, because the mean of its divisors is an integer number (11626560).

Almost surely, 2^115974537 is an apocalyptic number.

It is an amenable number.

115974537 is a deficient number, since it is larger than the sum of its proper divisors (70050423).

115974537 is a wasteful number, since it uses less digits than its factorization.

115974537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290692.

The product of its digits is 132300, while the sum is 42.

The square root of 115974537 is about 10769.1474592931. The cubic root of 115974537 is about 487.6642087188.

The spelling of 115974537 in words is "one hundred fifteen million, nine hundred seventy-four thousand, five hundred thirty-seven".