2717139 has 4 divisors (see below), whose sum is σ = 3622856. Its totient is φ = 1811424.

The previous prime is 2717137. The next prime is 2717147. The reversal of 2717139 is 9317172.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2717139 - 2¹ = 2717137 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2717131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452854 + ... + 452859.

It is an arithmetic number, because the mean of its divisors is an integer number (905714).

2^2717139 is an apocalyptic number.

2717139 is a deficient number, since it is larger than the sum of its proper divisors (905717).

2717139 is an equidigital number, since it uses as much as digits as its factorization.

2717139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905716.

The product of its digits is 2646, while the sum is 30.

The square root of 2717139 is about 1648.3746540153. The cubic root of 2717139 is about 139.5416815106.

The spelling of 2717139 in words is "two million, seven hundred seventeen thousand, one hundred thirty-nine".