5871557 has 2 divisors, whose sum is σ = 5871558. Its totient is φ = 5871556.

The previous prime is 5871539. The next prime is 5871559. The reversal of 5871557 is 7551785.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5354596 + 516961 = 2314^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 5871557 - 2⁸ = 5871301 is a prime.

Together with 5871559, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5871557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5871559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2935778 + 2935779.

It is an arithmetic number, because the mean of its divisors is an integer number (2935779).

Almost surely, 2^5871557 is an apocalyptic number.

It is an amenable number.

5871557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5871557 is an equidigital number, since it uses as much as digits as its factorization.

5871557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49000, while the sum is 38.

The square root of 5871557 is about 2423.1295879503. The cubic root of 5871557 is about 180.4060483581.

The spelling of 5871557 in words is "five million, eight hundred seventy-one thousand, five hundred fifty-seven".