113619481 has 2 divisors, whose sum is σ = 113619482. Its totient is φ = 113619480.

The previous prime is 113619479. The next prime is 113619521. The reversal of 113619481 is 184916311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72403081 + 41216400 = 8509^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 113619481 - 2¹ = 113619479 is a prime.

It is a super-2 number, since 2×113619481² = 25818772925418722, which contains 22 as substring.

Together with 113619479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113619461) 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 as a sum of consecutive naturals, namely, 56809740 + 56809741.

It is an arithmetic number, because the mean of its divisors is an integer number (56809741).

Almost surely, 2^113619481 is an apocalyptic number.

It is an amenable number.

113619481 is a deficient number, since it is larger than the sum of its proper divisors (1).

113619481 is an equidigital number, since it uses as much as digits as its factorization.

113619481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 34.

The square root of 113619481 is about 10659.2439225303. The cubic root of 113619481 is about 484.3406649876.

The spelling of 113619481 in words is "one hundred thirteen million, six hundred nineteen thousand, four hundred eighty-one".