111493 has 2 divisors, whose sum is σ = 111494. Its totient is φ = 111492.

The previous prime is 111491. The next prime is 111497. The reversal of 111493 is 394111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68644 + 42849 = 262^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 111493 - 2¹ = 111491 is a prime.

Together with 111491, it forms a pair of twin primes.

111493 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 111493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55746 + 55747.

It is an arithmetic number, because the mean of its divisors is an integer number (55747).

2¹¹¹⁴⁹³ is an apocalyptic number.

It is an amenable number.

111493 is a deficient number, since it is larger than the sum of its proper divisors (1).

111493 is an equidigital number, since it uses as much as digits as its factorization.

111493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

The square root of 111493 is about 333.9056753037. The cubic root of 111493 is about 48.1300006048.

The spelling of 111493 in words is "one hundred eleven thousand, four hundred ninety-three".