5217187 has 4 divisors (see below), whose sum is σ = 5397120. Its totient is φ = 5037256.

The previous prime is 5217169. The next prime is 5217203. The reversal of 5217187 is 7817125.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5217187 - 2⁷ = 5217059 is a prime.

It is a Duffinian number.

5217187 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5217587) 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, 89923 + ... + 89980.

It is an arithmetic number, because the mean of its divisors is an integer number (1349280).

Almost surely, 2^5217187 is an apocalyptic number.

5217187 is a deficient number, since it is larger than the sum of its proper divisors (179933).

5217187 is a wasteful number, since it uses less digits than its factorization.

5217187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179932.

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

The square root of 5217187 is about 2284.1162404746. The cubic root of 5217187 is about 173.4384836186.

It can be divided in two parts, 5217 and 187, that multiplied together give a palindrome (975579).

The spelling of 5217187 in words is "five million, two hundred seventeen thousand, one hundred eighty-seven".