113577481 has 4 divisors (see below), whose sum is σ = 114065172. Its totient is φ = 113089792.

The previous prime is 113577461. The next prime is 113577487. The reversal of 113577481 is 184775311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184775311 = 7 ⋅26396473.

It can be written as a sum of positive squares in 2 ways, for example, as 43771456 + 69806025 = 6616^2 + 8355^2 .

It is a cyclic number.

It is not a de Polignac number, because 113577481 - 2¹¹ = 113575433 is a prime.

It is a super-2 number, since 2×113577481² = 25799688380610722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113577481.

It is not an unprimeable number, because it can be changed into a prime (113577487) 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, 243496 + ... + 243961.

It is an arithmetic number, because the mean of its divisors is an integer number (28516293).

Almost surely, 2^113577481 is an apocalyptic number.

It is an amenable number.

113577481 is a deficient number, since it is larger than the sum of its proper divisors (487691).

113577481 is an equidigital number, since it uses as much as digits as its factorization.

113577481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487690.

The product of its digits is 23520, while the sum is 37.

The square root of 113577481 is about 10657.2736194582. The cubic root of 113577481 is about 484.2809779962.

The spelling of 113577481 in words is "one hundred thirteen million, five hundred seventy-seven thousand, four hundred eighty-one".