5711287 has 2 divisors, whose sum is σ = 5711288. Its totient is φ = 5711286.

The previous prime is 5711261. The next prime is 5711297. The reversal of 5711287 is 7821175.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5711287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5711257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2855643 + 2855644.

It is an arithmetic number, because the mean of its divisors is an integer number (2855644).

Almost surely, 2^5711287 is an apocalyptic number.

5711287 is a deficient number, since it is larger than the sum of its proper divisors (1).

5711287 is an equidigital number, since it uses as much as digits as its factorization.

5711287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 31.

The square root of 5711287 is about 2389.8299102656. The cubic root of 5711287 is about 178.7494283321.

The spelling of 5711287 in words is "five million, seven hundred eleven thousand, two hundred eighty-seven".