5217887 has 2 divisors, whose sum is σ = 5217888. Its totient is φ = 5217886.

The previous prime is 5217881. The next prime is 5217907. The reversal of 5217887 is 7887125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5217887 - 2⁸ = 5217631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5217887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5217881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608943 + 2608944.

It is an arithmetic number, because the mean of its divisors is an integer number (2608944).

Almost surely, 2^5217887 is an apocalyptic number.

5217887 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217887 is an equidigital number, since it uses as much as digits as its factorization.

5217887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 38.

The square root of 5217887 is about 2284.2694674666. The cubic root of 5217887 is about 173.4462401298.

The spelling of 5217887 in words is "five million, two hundred seventeen thousand, eight hundred eighty-seven".