116563285 has 4 divisors (see below), whose sum is σ = 139875948. Its totient is φ = 93250624.

The previous prime is 116563273. The next prime is 116563297. The reversal of 116563285 is 582365611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582365611 = 457 ⋅1274323.

It is an interprime number because it is at equal distance from previous prime (116563273) and next prime (116563297).

It can be written as a sum of positive squares in 2 ways, for example, as 20875761 + 95687524 = 4569^2 + 9782^2 .

It is a cyclic number.

It is not a de Polignac number, because 116563285 - 2¹⁷ = 116432213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11656324 + ... + 11656333.

It is an arithmetic number, because the mean of its divisors is an integer number (34968987).

Almost surely, 2^116563285 is an apocalyptic number.

It is an amenable number.

116563285 is a deficient number, since it is larger than the sum of its proper divisors (23312663).

116563285 is an equidigital number, since it uses as much as digits as its factorization.

116563285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23312662.

The product of its digits is 43200, while the sum is 37.

The square root of 116563285 is about 10796.4477954557. The cubic root of 116563285 is about 488.4880299289.

It can be divided in two parts, 11656 and 3285, that added together give a palindrome (14941).

The spelling of 116563285 in words is "one hundred sixteen million, five hundred sixty-three thousand, two hundred eighty-five".