5281730 has 16 divisors (see below), whose sum is σ = 10066680. Its totient is φ = 1988352.

The previous prime is 5281711. The next prime is 5281751. The reversal of 5281730 is 371825.

It can be written as a sum of positive squares in 4 ways, for example, as 4870849 + 410881 = 2207^2 + 641^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5281730.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15365 + ... + 15704.

Almost surely, 2^5281730 is an apocalyptic number.

5281730 is a deficient number, since it is larger than the sum of its proper divisors (4784950).

5281730 is a wasteful number, since it uses less digits than its factorization.

5281730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31093.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5281730 is about 2298.2014707157. The cubic root of 5281730 is about 174.1507699244.

The spelling of 5281730 in words is "five million, two hundred eighty-one thousand, seven hundred thirty".