113605549 has 2 divisors, whose sum is σ = 113605550. Its totient is φ = 113605548.

The previous prime is 113605523. The next prime is 113605559. The reversal of 113605549 is 945506311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80910025 + 32695524 = 8995^2 + 5718^2 .

It is a cyclic number.

It is not a de Polignac number, because 113605549 - 2⁵ = 113605517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113605519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56802774 + 56802775.

It is an arithmetic number, because the mean of its divisors is an integer number (56802775).

Almost surely, 2^113605549 is an apocalyptic number.

It is an amenable number.

113605549 is a deficient number, since it is larger than the sum of its proper divisors (1).

113605549 is an equidigital number, since it uses as much as digits as its factorization.

113605549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 113605549 is about 10658.5903852245. The cubic root of 113605549 is about 484.3208675905.

The spelling of 113605549 in words is "one hundred thirteen million, six hundred five thousand, five hundred forty-nine".