1163330251 has 2 divisors, whose sum is σ = 1163330252. Its totient is φ = 1163330250.

The previous prime is 1163330249. The next prime is 1163330261. The reversal of 1163330251 is 1520333611.

It is a weak prime.

It is an emirp because it is prime and its reverse (1520333611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1163330251 - 2¹ = 1163330249 is a prime.

Together with 1163330249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1163330261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581665125 + 581665126.

It is an arithmetic number, because the mean of its divisors is an integer number (581665126).

Almost surely, 2^1163330251 is an apocalyptic number.

1163330251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163330251 is an equidigital number, since it uses as much as digits as its factorization.

1163330251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1163330251 is about 34107.6274607308. The cubic root of 1163330251 is about 1051.7221176031.

Adding to 1163330251 its reverse (1520333611), we get a palindrome (2683663862).

The spelling of 1163330251 in words is "one billion, one hundred sixty-three million, three hundred thirty thousand, two hundred fifty-one".