113432261 has 4 divisors (see below), whose sum is σ = 119402400. Its totient is φ = 107462124.

The previous prime is 113432219. The next prime is 113432287. The reversal of 113432261 is 162234311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113432261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113432461) 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, 2985041 + ... + 2985078.

It is an arithmetic number, because the mean of its divisors is an integer number (29850600).

Almost surely, 2^113432261 is an apocalyptic number.

It is an amenable number.

113432261 is a deficient number, since it is larger than the sum of its proper divisors (5970139).

113432261 is an equidigital number, since it uses as much as digits as its factorization.

113432261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970138.

The product of its digits is 864, while the sum is 23.

The square root of 113432261 is about 10650.4582530518. The cubic root of 113432261 is about 484.0744896507.

Adding to 113432261 its reverse (162234311), we get a palindrome (275666572).

The spelling of 113432261 in words is "one hundred thirteen million, four hundred thirty-two thousand, two hundred sixty-one".