116280257 has 4 divisors (see below), whose sum is σ = 117129156. Its totient is φ = 115431360.

The previous prime is 116280239. The next prime is 116280293. The reversal of 116280257 is 752082611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752082611 = 7 ⋅107440373.

It can be written as a sum of positive squares in 2 ways, for example, as 75881521 + 40398736 = 8711^2 + 6356^2 .

It is a cyclic number.

It is not a de Polignac number, because 116280257 - 2⁶ = 116280193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116280757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424244 + ... + 424517.

It is an arithmetic number, because the mean of its divisors is an integer number (29282289).

Almost surely, 2^116280257 is an apocalyptic number.

It is an amenable number.

116280257 is a deficient number, since it is larger than the sum of its proper divisors (848899).

116280257 is an equidigital number, since it uses as much as digits as its factorization.

116280257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848898.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 116280257 is about 10783.3323699124. The cubic root of 116280257 is about 488.0923426099.

The spelling of 116280257 in words is "one hundred sixteen million, two hundred eighty thousand, two hundred fifty-seven".