115028537 has 4 divisors (see below), whose sum is σ = 123876900. Its totient is φ = 106180176.

The previous prime is 115028533. The next prime is 115028539. The reversal of 115028537 is 735820511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 735820511 = 211 ⋅3487301.

It can be written as a sum of positive squares in 2 ways, for example, as 40309801 + 74718736 = 6349^2 + 8644^2 .

It is a cyclic number.

It is not a de Polignac number, because 115028537 - 2² = 115028533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115028533) 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, 4424162 + ... + 4424187.

It is an arithmetic number, because the mean of its divisors is an integer number (30969225).

Almost surely, 2^115028537 is an apocalyptic number.

It is an amenable number.

115028537 is a deficient number, since it is larger than the sum of its proper divisors (8848363).

115028537 is an equidigital number, since it uses as much as digits as its factorization.

115028537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8848362.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 115028537 is about 10725.1357567166. The cubic root of 115028537 is about 486.3346340832.

The spelling of 115028537 in words is "one hundred fifteen million, twenty-eight thousand, five hundred thirty-seven".