5181869 has 16 divisors (see below), whose sum is σ = 6514560. Its totient is φ = 4004160.

The previous prime is 5181859. The next prime is 5181881. The reversal of 5181869 is 9681815.

It is a cyclic number.

It is not a de Polignac number, because 5181869 - 2²⁰ = 4133293 is a prime.

It is a super-2 number, since 2×5181869² = 53703532666322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13127 + ... + 13515.

It is an arithmetic number, because the mean of its divisors is an integer number (407160).

Almost surely, 2^5181869 is an apocalyptic number.

It is an amenable number.

5181869 is a deficient number, since it is larger than the sum of its proper divisors (1332691).

5181869 is a wasteful number, since it uses less digits than its factorization.

5181869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

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

The square root of 5181869 is about 2276.3718940454. The cubic root of 5181869 is about 173.0462304194.

The spelling of 5181869 in words is "five million, one hundred eighty-one thousand, eight hundred sixty-nine".