5181436 has 12 divisors (see below), whose sum is σ = 9765112. Its totient is φ = 2391408.

The previous prime is 5181431. The next prime is 5181469. The reversal of 5181436 is 6341815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49770 + ... + 49873.

Almost surely, 2^5181436 is an apocalyptic number.

It is an amenable number.

5181436 is a deficient number, since it is larger than the sum of its proper divisors (4583676).

5181436 is a wasteful number, since it uses less digits than its factorization.

5181436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99660 (or 99658 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 5181436 is about 2276.2767845761. The cubic root of 5181436 is about 173.0414103371.

The spelling of 5181436 in words is "five million, one hundred eighty-one thousand, four hundred thirty-six".