5281239 has 8 divisors (see below), whose sum is σ = 7056000. Its totient is φ = 3513656.

The previous prime is 5281201. The next prime is 5281247. The reversal of 5281239 is 9321825.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5281239 - 2⁸ = 5280983 is a prime.

It is an Ulam number.

5281239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 2^5281239 is an apocalyptic number.

5281239 is a deficient number, since it is larger than the sum of its proper divisors (1774761).

5281239 is a wasteful number, since it uses less digits than its factorization.

5281239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589.

The product of its digits is 4320, while the sum is 30.

The square root of 5281239 is about 2298.0946455705. The cubic root of 5281239 is about 174.1453732912.

The spelling of 5281239 in words is "five million, two hundred eighty-one thousand, two hundred thirty-nine".