5181188 has 6 divisors (see below), whose sum is σ = 9067086. Its totient is φ = 2590592.

The previous prime is 5181173. The next prime is 5181191. The reversal of 5181188 is 8811815.

It can be written as a sum of positive squares in only one way, i.e., 4674244 + 506944 = 2162^2 + 712^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647645 + ... + 647652.

It is an arithmetic number, because the mean of its divisors is an integer number (1511181).

Almost surely, 2^5181188 is an apocalyptic number.

It is an amenable number.

5181188 is a deficient number, since it is larger than the sum of its proper divisors (3885898).

5181188 is a wasteful number, since it uses less digits than its factorization.

5181188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295301 (or 1295299 counting only the distinct ones).

The product of its digits is 2560, while the sum is 32.

The square root of 5181188 is about 2276.2223090024. Note that the first 3 decimals coincide. The cubic root of 5181188 is about 173.0386495224.

The spelling of 5181188 in words is "five million, one hundred eighty-one thousand, one hundred eighty-eight".