5278281 has 4 divisors (see below), whose sum is σ = 7037712. Its totient is φ = 3518852.

The previous prime is 5278271. The next prime is 5278289. The reversal of 5278281 is 1828725.

5278281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5278281 - 2⁵ = 5278249 is a prime.

It is a super-2 number, since 2×5278281² = 55720500629922, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5278289) 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, 879711 + ... + 879716.

It is an arithmetic number, because the mean of its divisors is an integer number (1759428).

Almost surely, 2^5278281 is an apocalyptic number.

It is an amenable number.

5278281 is a deficient number, since it is larger than the sum of its proper divisors (1759431).

5278281 is a wasteful number, since it uses less digits than its factorization.

5278281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759430.

The product of its digits is 8960, while the sum is 33.

The square root of 5278281 is about 2297.4509788024. The cubic root of 5278281 is about 174.1128545195.

The spelling of 5278281 in words is "five million, two hundred seventy-eight thousand, two hundred eighty-one".