1113593291 has 2 divisors, whose sum is σ = 1113593292. Its totient is φ = 1113593290.

The previous prime is 1113593281. The next prime is 1113593293. The reversal of 1113593291 is 1923953111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113593291 - 2⁶ = 1113593227 is a prime.

It is a Sophie Germain prime.

Together with 1113593293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1113593293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556796645 + 556796646.

It is an arithmetic number, because the mean of its divisors is an integer number (556796646).

Almost surely, 2^1113593291 is an apocalyptic number.

1113593291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113593291 is an equidigital number, since it uses as much as digits as its factorization.

1113593291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 35.

The square root of 1113593291 is about 33370.5452607535. The cubic root of 1113593291 is about 1036.5148660366.

The spelling of 1113593291 in words is "one billion, one hundred thirteen million, five hundred ninety-three thousand, two hundred ninety-one".