5181584 has 20 divisors (see below), whose sum is σ = 10205820. Its totient is φ = 2547840.

The previous prime is 5181581. The next prime is 5181587. The reversal of 5181584 is 4851815.

It is an interprime number because it is at equal distance from previous prime (5181581) and next prime (5181587).

It can be written as a sum of positive squares in 2 ways, for example, as 73984 + 5107600 = 272^2 + 2260^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5181584.

It is not an unprimeable number, because it can be changed into a prime (5181581) 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, 1679 + ... + 3630.

It is an arithmetic number, because the mean of its divisors is an integer number (510291).

Almost surely, 2^5181584 is an apocalyptic number.

It is an amenable number.

5181584 is a deficient number, since it is larger than the sum of its proper divisors (5024236).

5181584 is a wasteful number, since it uses less digits than its factorization.

5181584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378 (or 5372 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

The square root of 5181584 is about 2276.3092935715. The cubic root of 5181584 is about 173.0430578781.

The spelling of 5181584 in words is "five million, one hundred eighty-one thousand, five hundred eighty-four".