5617516571 has 2 divisors, whose sum is σ = 5617516572. Its totient is φ = 5617516570.

The previous prime is 5617516561. The next prime is 5617516579. The reversal of 5617516571 is 1756157165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5617516571 is a prime.

It is not a weakly prime, because it can be changed into another prime (5617516579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2808758285 + 2808758286.

It is an arithmetic number, because the mean of its divisors is an integer number (2808758286).

Almost surely, 2^5617516571 is an apocalyptic number.

5617516571 is a deficient number, since it is larger than the sum of its proper divisors (1).

5617516571 is an equidigital number, since it uses as much as digits as its factorization.

5617516571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 220500, while the sum is 44.

The square root of 5617516571 is about 74950.0938691874. The cubic root of 5617516571 is about 1777.6576279128.

The spelling of 5617516571 in words is "five billion, six hundred seventeen million, five hundred sixteen thousand, five hundred seventy-one".