113395261 has 12 divisors (see below), whose sum is σ = 132112092. Its totient is φ = 97046208.

The previous prime is 113395259. The next prime is 113395273. The reversal of 113395261 is 162593311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63904036 + 49491225 = 7994^2 + 7035^2 .

It is not a de Polignac number, because 113395261 - 2¹ = 113395259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113395361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40441 + ... + 43153.

It is an arithmetic number, because the mean of its divisors is an integer number (11009341).

Almost surely, 2^113395261 is an apocalyptic number.

It is an amenable number.

113395261 is a deficient number, since it is larger than the sum of its proper divisors (18716831).

113395261 is an equidigital number, since it uses as much as digits as its factorization.

113395261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580 (or 3573 counting only the distinct ones).

The product of its digits is 4860, while the sum is 31.

The square root of 113395261 is about 10648.7210969205. The cubic root of 113395261 is about 484.0218511752.

The spelling of 113395261 in words is "one hundred thirteen million, three hundred ninety-five thousand, two hundred sixty-one".