5109709 has 10 divisors (see below), whose sum is σ = 5636750. Its totient is φ = 4631880.

The previous prime is 5109697. The next prime is 5109719. The reversal of 5109709 is 9079015.

It can be written as a sum of positive squares in only one way, i.e., 4743684 + 366025 = 2178^2 + 605^2 .

It is not a de Polignac number, because 5109709 - 2¹³ = 5101517 is a prime.

It is a super-2 number, since 2×5109709² = 52218252129362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109719) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14467 + ... + 14815.

It is an arithmetic number, because the mean of its divisors is an integer number (563675).

Almost surely, 2^5109709 is an apocalyptic number.

It is an amenable number.

5109709 is a deficient number, since it is larger than the sum of its proper divisors (527041).

5109709 is an frugal number, since it uses more digits than its factorization.

5109709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 5109709 is about 2260.4665447646. The cubic root of 5109709 is about 172.2392222938.

The spelling of 5109709 in words is "five million, one hundred nine thousand, seven hundred nine".