113287 has 2 divisors, whose sum is σ = 113288. Its totient is φ = 113286.

The previous prime is 113279. The next prime is 113327. The reversal of 113287 is 782311.

It is a weak prime.

It is an emirp because it is prime and its reverse (782311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113287 - 2³ = 113279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56643 + 56644.

It is an arithmetic number, because the mean of its divisors is an integer number (56644).

2¹¹³²⁸⁷ is an apocalyptic number.

113287 is a deficient number, since it is larger than the sum of its proper divisors (1).

113287 is an equidigital number, since it uses as much as digits as its factorization.

113287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 22.

The square root of 113287 is about 336.5813423231. The cubic root of 113287 is about 48.3867766622.

Adding to 113287 its reverse (782311), we get a palindrome (895598).

It can be divided in two parts, 113 and 287, that added together give a square (400 = 20²).

The spelling of 113287 in words is "one hundred thirteen thousand, two hundred eighty-seven".