1171527013 has 2 divisors, whose sum is σ = 1171527014. Its totient is φ = 1171527012.

The previous prime is 1171526971. The next prime is 1171527017. The reversal of 1171527013 is 3107251711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1164652129 + 6874884 = 34127^2 + 2622^2 .

It is an emirp because it is prime and its reverse (3107251711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1171527013 - 2²⁹ = 634656101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171527017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585763506 + 585763507.

It is an arithmetic number, because the mean of its divisors is an integer number (585763507).

Almost surely, 2^1171527013 is an apocalyptic number.

It is an amenable number.

1171527013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171527013 is an equidigital number, since it uses as much as digits as its factorization.

1171527013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 1171527013 is about 34227.5767912366. The cubic root of 1171527013 is about 1054.1864644593.

Adding to 1171527013 its reverse (3107251711), we get a palindrome (4278778724).

The spelling of 1171527013 in words is "one billion, one hundred seventy-one million, five hundred twenty-seven thousand, thirteen".