263619113 has 2 divisors, whose sum is σ = 263619114. Its totient is φ = 263619112.

The previous prime is 263619089. The next prime is 263619121. The reversal of 263619113 is 311916362.

263619113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185967769 + 77651344 = 13637^2 + 8812^2 .

It is a cyclic number.

It is not a de Polignac number, because 263619113 - 2⁶ = 263619049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 263619113.

It is not a weakly prime, because it can be changed into another prime (263619143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131809556 + 131809557.

It is an arithmetic number, because the mean of its divisors is an integer number (131809557).

Almost surely, 2^263619113 is an apocalyptic number.

It is an amenable number.

263619113 is a deficient number, since it is larger than the sum of its proper divisors (1).

263619113 is an equidigital number, since it uses as much as digits as its factorization.

263619113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 263619113 is about 16236.3515914136. The cubic root of 263619113 is about 641.1982053575.

The spelling of 263619113 in words is "two hundred sixty-three million, six hundred nineteen thousand, one hundred thirteen".