5281709 has 4 divisors (see below), whose sum is σ = 5313504. Its totient is φ = 5249916.

The previous prime is 5281693. The next prime is 5281711. The reversal of 5281709 is 9071825.

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 5281709 - 2⁴ = 5281693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5284709) 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, 15647 + ... + 15980.

It is an arithmetic number, because the mean of its divisors is an integer number (1328376).

Almost surely, 2^5281709 is an apocalyptic number.

It is an amenable number.

5281709 is a deficient number, since it is larger than the sum of its proper divisors (31795).

5281709 is a wasteful number, since it uses less digits than its factorization.

5281709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31794.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 5281709 is about 2298.1969019212. The cubic root of 5281709 is about 174.1505391180.

The spelling of 5281709 in words is "five million, two hundred eighty-one thousand, seven hundred nine".