203774113 has 2 divisors, whose sum is σ = 203774114. Its totient is φ = 203774112.

The previous prime is 203774027. The next prime is 203774147. The reversal of 203774113 is 311477302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168169024 + 35605089 = 12968^2 + 5967^2 .

It is a cyclic number.

It is not a de Polignac number, because 203774113 - 2²⁵ = 170219681 is a prime.

It is not a weakly prime, because it can be changed into another prime (203774413) 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 as a sum of consecutive naturals, namely, 101887056 + 101887057.

It is an arithmetic number, because the mean of its divisors is an integer number (101887057).

Almost surely, 2^203774113 is an apocalyptic number.

It is an amenable number.

203774113 is a deficient number, since it is larger than the sum of its proper divisors (1).

203774113 is an equidigital number, since it uses as much as digits as its factorization.

203774113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 203774113 is about 14274.9470401820. The cubic root of 203774113 is about 588.4591730506.

The spelling of 203774113 in words is "two hundred three million, seven hundred seventy-four thousand, one hundred thirteen".