5181406 has 8 divisors (see below), whose sum is σ = 7982280. Its totient is φ = 2520648.

The previous prime is 5181391. The next prime is 5181431. The reversal of 5181406 is 6041815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34936 + ... + 35083.

It is an arithmetic number, because the mean of its divisors is an integer number (997785).

Almost surely, 2^5181406 is an apocalyptic number.

5181406 is a deficient number, since it is larger than the sum of its proper divisors (2800874).

5181406 is a wasteful number, since it uses less digits than its factorization.

5181406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70058.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 5181406 is about 2276.2701948582. The cubic root of 5181406 is about 173.0410763723.

The spelling of 5181406 in words is "five million, one hundred eighty-one thousand, four hundred six".