5155709 has 16 divisors (see below), whose sum is σ = 6032880. Its totient is φ = 4362240.

The previous prime is 5155699. The next prime is 5155727. The reversal of 5155709 is 9075515.

It can be written as a sum of positive squares in 8 ways, for example, as 1243225 + 3912484 = 1115^2 + 1978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5155709 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 (5155729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8777 + ... + 9345.

It is an arithmetic number, because the mean of its divisors is an integer number (377055).

Almost surely, 2^5155709 is an apocalyptic number.

It is an amenable number.

5155709 is a deficient number, since it is larger than the sum of its proper divisors (877171).

5155709 is a wasteful number, since it uses less digits than its factorization.

5155709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 7875, while the sum is 32.

The square root of 5155709 is about 2270.6186381689. The cubic root of 5155709 is about 172.7545384558.

The spelling of 5155709 in words is "five million, one hundred fifty-five thousand, seven hundred nine".