113553541 has 4 divisors (see below), whose sum is σ = 113743084. Its totient is φ = 113364000.

The previous prime is 113553529. The next prime is 113553563. The reversal of 113553541 is 145355311.

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 98922916 + 14630625 = 9946^2 + 3825^2 .

It is a cyclic number.

It is not a de Polignac number, because 113553541 - 2⁷ = 113553413 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 (113551541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93870 + ... + 95071.

It is an arithmetic number, because the mean of its divisors is an integer number (28435771).

Almost surely, 2^113553541 is an apocalyptic number.

It is an amenable number.

113553541 is a deficient number, since it is larger than the sum of its proper divisors (189543).

113553541 is an equidigital number, since it uses as much as digits as its factorization.

113553541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189542.

The product of its digits is 4500, while the sum is 28.

The square root of 113553541 is about 10656.1503836986. The cubic root of 113553541 is about 484.2469498268.

The spelling of 113553541 in words is "one hundred thirteen million, five hundred fifty-three thousand, five hundred forty-one".