116625281 has 8 divisors (see below), whose sum is σ = 119001960. Its totient is φ = 114255232.

The previous prime is 116625277. The next prime is 116625319. The reversal of 116625281 is 182526611.

It can be written as a sum of positive squares in 4 ways, for example, as 42510400 + 74114881 = 6520^2 + 8609^2 .

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 116625281 - 2² = 116625277 is a prime.

It is a super-2 number, since 2×116625281² = 27202912336657922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116625181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49355 + ... + 51663.

It is an arithmetic number, because the mean of its divisors is an integer number (14875245).

Almost surely, 2^116625281 is an apocalyptic number.

It is an amenable number.

116625281 is a deficient number, since it is larger than the sum of its proper divisors (2376679).

116625281 is an equidigital number, since it uses as much as digits as its factorization.

116625281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315.

The product of its digits is 5760, while the sum is 32.

The square root of 116625281 is about 10799.3185433156. The cubic root of 116625281 is about 488.5746179039.

The spelling of 116625281 in words is "one hundred sixteen million, six hundred twenty-five thousand, two hundred eighty-one".