113504261 has 4 divisors (see below), whose sum is σ = 122235372. Its totient is φ = 104773152.

The previous prime is 113504239. The next prime is 113504263. The reversal of 113504261 is 162405311.

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 41152225 + 72352036 = 6415^2 + 8506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113504261 is a prime.

It is a super-2 number, since 2×113504261² = 25766434530312242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113504263) 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, 4365536 + ... + 4365561.

It is an arithmetic number, because the mean of its divisors is an integer number (30558843).

Almost surely, 2^113504261 is an apocalyptic number.

It is an amenable number.

113504261 is a deficient number, since it is larger than the sum of its proper divisors (8731111).

113504261 is an equidigital number, since it uses as much as digits as its factorization.

113504261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731110.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 113504261 is about 10653.8378530931. The cubic root of 113504261 is about 484.1768884782.

Adding to 113504261 its reverse (162405311), we get a palindrome (275909572).

The spelling of 113504261 in words is "one hundred thirteen million, five hundred four thousand, two hundred sixty-one".