5181687 has 24 divisors (see below), whose sum is σ = 8614944. Its totient is φ = 2939904.

The previous prime is 5181679. The next prime is 5181697. The reversal of 5181687 is 7861815.

It is not a de Polignac number, because 5181687 - 2³ = 5181679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181637) 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, 14503 + ... + 14855.

It is an arithmetic number, because the mean of its divisors is an integer number (358956).

Almost surely, 2^5181687 is an apocalyptic number.

5181687 is a deficient number, since it is larger than the sum of its proper divisors (3433257).

5181687 is a wasteful number, since it uses less digits than its factorization.

5181687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 596 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 5181687 is about 2276.3319178011. The cubic root of 5181687 is about 173.0442044591.

The spelling of 5181687 in words is "five million, one hundred eighty-one thousand, six hundred eighty-seven".