115326521 has 8 divisors (see below), whose sum is σ = 125411400. Its totient is φ = 105608448.

The previous prime is 115326517. The next prime is 115326527. The reversal of 115326521 is 125623511.

It can be written as a sum of positive squares in 4 ways, for example, as 53860921 + 61465600 = 7339^2 + 7840^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115326521 - 2² = 115326517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115326527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91046 + ... + 92303.

It is an arithmetic number, because the mean of its divisors is an integer number (15676425).

Almost surely, 2^115326521 is an apocalyptic number.

It is an amenable number.

115326521 is a deficient number, since it is larger than the sum of its proper divisors (10084879).

115326521 is a wasteful number, since it uses less digits than its factorization.

115326521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183403.

The product of its digits is 1800, while the sum is 26.

The square root of 115326521 is about 10739.0186236918. The cubic root of 115326521 is about 486.7542255565.

The spelling of 115326521 in words is "one hundred fifteen million, three hundred twenty-six thousand, five hundred twenty-one".