5186257 has 4 divisors (see below), whose sum is σ = 5193396. Its totient is φ = 5179120.

The previous prime is 5186219. The next prime is 5186261. The reversal of 5186257 is 7526815.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 3101121 = 1444^2 + 1761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5186257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5186267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2338 + ... + 3979.

It is an arithmetic number, because the mean of its divisors is an integer number (1298349).

Almost surely, 2^5186257 is an apocalyptic number.

It is an amenable number.

5186257 is a deficient number, since it is larger than the sum of its proper divisors (7139).

5186257 is an equidigital number, since it uses as much as digits as its factorization.

5186257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138.

The product of its digits is 16800, while the sum is 34.

The square root of 5186257 is about 2277.3355044876. The cubic root of 5186257 is about 173.0950617470.

The spelling of 5186257 in words is "five million, one hundred eighty-six thousand, two hundred fifty-seven".