5197887 has 24 divisors (see below), whose sum is σ = 8002800. Its totient is φ = 3241728.

The previous prime is 5197879. The next prime is 5197889. The reversal of 5197887 is 7887915.

It is not a de Polignac number, because 5197887 - 2³ = 5197879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197889) 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 in 23 ways as a sum of consecutive naturals, for example, 19189 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (333450).

Almost surely, 2^5197887 is an apocalyptic number.

5197887 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

5197887 is a deficient number, since it is larger than the sum of its proper divisors (2804913).

5197887 is a wasteful number, since it uses less digits than its factorization.

5197887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 404 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The square root of 5197887 is about 2279.8874972244. The cubic root of 5197887 is about 173.2243516937.

It can be divided in two parts, 5197 and 887, that added together give a square (6084 = 78²).

The spelling of 5197887 in words is "five million, one hundred ninety-seven thousand, eight hundred eighty-seven".