116310521 has 4 divisors (see below), whose sum is σ = 117377700. Its totient is φ = 115243344.

The previous prime is 116310463. The next prime is 116310527. The reversal of 116310521 is 125013611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45414121 + 70896400 = 6739^2 + 8420^2 .

It is a cyclic number.

It is not a de Polignac number, because 116310521 - 2¹⁸ = 116048377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116310493 and 116310502.

It is not an unprimeable number, because it can be changed into a prime (116310527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533426 + ... + 533643.

It is an arithmetic number, because the mean of its divisors is an integer number (29344425).

Almost surely, 2^116310521 is an apocalyptic number.

It is an amenable number.

116310521 is a deficient number, since it is larger than the sum of its proper divisors (1067179).

116310521 is a wasteful number, since it uses less digits than its factorization.

116310521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067178.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 116310521 is about 10784.7355554042. The cubic root of 116310521 is about 488.1346838341.

The spelling of 116310521 in words is "one hundred sixteen million, three hundred ten thousand, five hundred twenty-one".