5181698 has 8 divisors (see below), whose sum is σ = 7788540. Its totient is φ = 2585520.

The previous prime is 5181697. The next prime is 5181721. The reversal of 5181698 is 8961815.

It can be written as a sum of positive squares in 2 ways, for example, as 4695889 + 485809 = 2167^2 + 697^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5181697) 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, 1313 + ... + 3476.

Almost surely, 2^5181698 is an apocalyptic number.

5181698 is a deficient number, since it is larger than the sum of its proper divisors (2606842).

5181698 is a wasteful number, since it uses less digits than its factorization.

5181698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332.

The product of its digits is 17280, while the sum is 38.

The square root of 5181698 is about 2276.3343339677. The cubic root of 5181698 is about 173.0443269086.

The spelling of 5181698 in words is "five million, one hundred eighty-one thousand, six hundred ninety-eight".