5217857 has 4 divisors (see below), whose sum is σ = 5228976. Its totient is φ = 5206740.

The previous prime is 5217847. The next prime is 5217859. The reversal of 5217857 is 7587125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5217857 - 2⁴ = 5217841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5217859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4823 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (1307244).

Almost surely, 2^5217857 is an apocalyptic number.

It is an amenable number.

5217857 is a deficient number, since it is larger than the sum of its proper divisors (11119).

5217857 is a wasteful number, since it uses less digits than its factorization.

5217857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118.

The product of its digits is 19600, while the sum is 35.

The square root of 5217857 is about 2284.2629008063. The cubic root of 5217857 is about 173.4459077222.

The spelling of 5217857 in words is "five million, two hundred seventeen thousand, eight hundred fifty-seven".