116513251 has 4 divisors (see below), whose sum is σ = 117186912. Its totient is φ = 115839592.

The previous prime is 116513249. The next prime is 116513269. The reversal of 116513251 is 152315611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 116513251 - 2¹ = 116513249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116513051) 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, 336571 + ... + 336916.

It is an arithmetic number, because the mean of its divisors is an integer number (29296728).

Almost surely, 2^116513251 is an apocalyptic number.

116513251 is a deficient number, since it is larger than the sum of its proper divisors (673661).

116513251 is an equidigital number, since it uses as much as digits as its factorization.

116513251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673660.

The product of its digits is 900, while the sum is 25.

The square root of 116513251 is about 10794.1303957290. The cubic root of 116513251 is about 488.4181265342.

Adding to 116513251 its reverse (152315611), we get a palindrome (268828862).

The spelling of 116513251 in words is "one hundred sixteen million, five hundred thirteen thousand, two hundred fifty-one".