113426521 has 8 divisors (see below), whose sum is σ = 122306184. Its totient is φ = 104568960.

The previous prime is 113426513. The next prime is 113426531. The reversal of 113426521 is 125624311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26265625 + 87160896 = 5125^2 + 9336^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113426521 - 2³ = 113426513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113426531) 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 7 ways as a sum of consecutive naturals, for example, 6051 + ... + 16231.

It is an arithmetic number, because the mean of its divisors is an integer number (15288273).

Almost surely, 2^113426521 is an apocalyptic number.

It is an amenable number.

113426521 is a deficient number, since it is larger than the sum of its proper divisors (8879663).

113426521 is a wasteful number, since it uses less digits than its factorization.

113426521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051.

The product of its digits is 1440, while the sum is 25.

The square root of 113426521 is about 10650.1887776696. The cubic root of 113426521 is about 484.0663243239.

The spelling of 113426521 in words is "one hundred thirteen million, four hundred twenty-six thousand, five hundred twenty-one".