5281723 has 4 divisors (see below), whose sum is σ = 5309568. Its totient is φ = 5253880.

The previous prime is 5281711. The next prime is 5281751. The reversal of 5281723 is 3271825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5281723 - 2¹³ = 5273531 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5281691 and 5281700.

It is not an unprimeable number, because it can be changed into a prime (5281763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13636 + ... + 14017.

It is an arithmetic number, because the mean of its divisors is an integer number (1327392).

Almost surely, 2^5281723 is an apocalyptic number.

5281723 is a deficient number, since it is larger than the sum of its proper divisors (27845).

5281723 is a wasteful number, since it uses less digits than its factorization.

5281723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27844.

The product of its digits is 3360, while the sum is 28.

The square root of 5281723 is about 2298.1999477852. The cubic root of 5281723 is about 174.1506929890.

The spelling of 5281723 in words is "five million, two hundred eighty-one thousand, seven hundred twenty-three".