113245553 has 4 divisors (see below), whose sum is σ = 113311908. Its totient is φ = 113179200.

The previous prime is 113245541. The next prime is 113245571. The reversal of 113245553 is 355542311.

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 48330304 + 64915249 = 6952^2 + 8057^2 .

It is a cyclic number.

It is not a de Polignac number, because 113245553 - 2²⁰ = 112196977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113244553) 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, 30548 + ... + 34053.

It is an arithmetic number, because the mean of its divisors is an integer number (28327977).

Almost surely, 2^113245553 is an apocalyptic number.

It is an amenable number.

113245553 is a deficient number, since it is larger than the sum of its proper divisors (66355).

113245553 is an equidigital number, since it uses as much as digits as its factorization.

113245553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66354.

The product of its digits is 9000, while the sum is 29.

The square root of 113245553 is about 10641.6893865589. The cubic root of 113245553 is about 483.8087503956.

Adding to 113245553 its reverse (355542311), we get a palindrome (468787864).

The spelling of 113245553 in words is "one hundred thirteen million, two hundred forty-five thousand, five hundred fifty-three".