5871391 has 2 divisors, whose sum is σ = 5871392. Its totient is φ = 5871390.

The previous prime is 5871377. The next prime is 5871403. The reversal of 5871391 is 1931785.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5871391 - 2¹¹ = 5869343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5871301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2935695 + 2935696.

It is an arithmetic number, because the mean of its divisors is an integer number (2935696).

Almost surely, 2^5871391 is an apocalyptic number.

5871391 is the 1533-rd centered pentagonal number.

5871391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5871391 is an equidigital number, since it uses as much as digits as its factorization.

5871391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 34.

The square root of 5871391 is about 2423.0953344844. The cubic root of 5871391 is about 180.4043482022.

The spelling of 5871391 in words is "five million, eight hundred seventy-one thousand, three hundred ninety-one".