111253 has 2 divisors, whose sum is σ = 111254. Its totient is φ = 111252.

The previous prime is 111229. The next prime is 111263. The reversal of 111253 is 352111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103684 + 7569 = 322^2 + 87^2 .

It is an emirp because it is prime and its reverse (352111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55626 + 55627.

It is an arithmetic number, because the mean of its divisors is an integer number (55627).

2¹¹¹²⁵³ is an apocalyptic number.

It is an amenable number.

111253 is a deficient number, since it is larger than the sum of its proper divisors (1).

111253 is an equidigital number, since it uses as much as digits as its factorization.

111253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30, while the sum is 13.

The square root of 111253 is about 333.5460987630. The cubic root of 111253 is about 48.0954408912.

Adding to 111253 its reverse (352111), we get a palindrome (463364).

The spelling of 111253 in words is "one hundred eleven thousand, two hundred fifty-three".