111325453 has 4 divisors (see below), whose sum is σ = 112310748. Its totient is φ = 110340160.

The previous prime is 111325447. The next prime is 111325463. The reversal of 111325453 is 354523111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12482089 + 98843364 = 3533^2 + 9942^2 .

It is a cyclic number.

It is not a de Polignac number, because 111325453 - 2⁵ = 111325421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111325463) 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, 492478 + ... + 492703.

It is an arithmetic number, because the mean of its divisors is an integer number (28077687).

Almost surely, 2^111325453 is an apocalyptic number.

It is an amenable number.

111325453 is a deficient number, since it is larger than the sum of its proper divisors (985295).

111325453 is an equidigital number, since it uses as much as digits as its factorization.

111325453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985294.

The product of its digits is 1800, while the sum is 25.

The square root of 111325453 is about 10551.0877638280. The cubic root of 111325453 is about 481.0587926976.

Adding to 111325453 its reverse (354523111), we get a palindrome (465848564).

The spelling of 111325453 in words is "one hundred eleven million, three hundred twenty-five thousand, four hundred fifty-three".