1171606313 has 2 divisors, whose sum is σ = 1171606314. Its totient is φ = 1171606312.

The previous prime is 1171606297. The next prime is 1171606399. The reversal of 1171606313 is 3136061711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140547984 + 31058329 = 33772^2 + 5573^2 .

It is a cyclic number.

It is not a de Polignac number, because 1171606313 - 2⁴ = 1171606297 is a prime.

It is a super-2 number, since 2×1171606313² = 2745322705322907938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1171606013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585803156 + 585803157.

It is an arithmetic number, because the mean of its divisors is an integer number (585803157).

Almost surely, 2^1171606313 is an apocalyptic number.

It is an amenable number.

1171606313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171606313 is an equidigital number, since it uses as much as digits as its factorization.

1171606313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1171606313 is about 34228.7351942779. The cubic root of 1171606313 is about 1054.2102496843.

The spelling of 1171606313 in words is "one billion, one hundred seventy-one million, six hundred six thousand, three hundred thirteen".