116687253 has 4 divisors (see below), whose sum is σ = 155583008. Its totient is φ = 77791500.

The previous prime is 116687231. The next prime is 116687273. The reversal of 116687253 is 352786611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352786611 = 3 ⋅117595537.

It is not a de Polignac number, because 116687253 - 2¹⁸ = 116425109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116687273) 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 3 ways as a sum of consecutive naturals, for example, 19447873 + ... + 19447878.

It is an arithmetic number, because the mean of its divisors is an integer number (38895752).

Almost surely, 2^116687253 is an apocalyptic number.

It is an amenable number.

116687253 is a deficient number, since it is larger than the sum of its proper divisors (38895755).

116687253 is an equidigital number, since it uses as much as digits as its factorization.

116687253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38895754.

The product of its digits is 60480, while the sum is 39.

The square root of 116687253 is about 10802.1874173706. The cubic root of 116687253 is about 488.6611416963.

The spelling of 116687253 in words is "one hundred sixteen million, six hundred eighty-seven thousand, two hundred fifty-three".