1163322997 has 2 divisors, whose sum is σ = 1163322998. Its totient is φ = 1163322996.

The previous prime is 1163322983. The next prime is 1163323069. The reversal of 1163322997 is 7992233611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006221841 + 157101156 = 31721^2 + 12534^2 .

It is an emirp because it is prime and its reverse (7992233611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163322997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163322947) 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, 581661498 + 581661499.

It is an arithmetic number, because the mean of its divisors is an integer number (581661499).

Almost surely, 2^1163322997 is an apocalyptic number.

It is an amenable number.

1163322997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163322997 is an equidigital number, since it uses as much as digits as its factorization.

1163322997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 1163322997 is about 34107.5211207147. The cubic root of 1163322997 is about 1051.7199315778.

The spelling of 1163322997 in words is "one billion, one hundred sixty-three million, three hundred twenty-two thousand, nine hundred ninety-seven".