5181211 has 12 divisors (see below), whose sum is σ = 6176520. Its totient is φ = 4331040.

The previous prime is 5181191. The next prime is 5181217. The reversal of 5181211 is 1121815.

It is a happy number.

It is not a de Polignac number, because 5181211 - 2¹³ = 5173019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5181217) 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 11 ways as a sum of consecutive naturals, for example, 720 + ... + 3298.

It is an arithmetic number, because the mean of its divisors is an integer number (514710).

Almost surely, 2^5181211 is an apocalyptic number.

5181211 is a deficient number, since it is larger than the sum of its proper divisors (995309).

5181211 is a wasteful number, since it uses less digits than its factorization.

5181211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2627 counting only the distinct ones).

The product of its digits is 80, while the sum is 19.

The square root of 5181211 is about 2276.2273612273. The cubic root of 5181211 is about 173.0389055694.

The spelling of 5181211 in words is "five million, one hundred eighty-one thousand, two hundred eleven".