2081713 has 4 divisors (see below), whose sum is σ = 2087668. Its totient is φ = 2075760.

The previous prime is 2081687. The next prime is 2081719. The reversal of 2081713 is 3171802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3171802 = 2 ⋅1585901.

It can be written as a sum of positive squares in 2 ways, for example, as 889249 + 1192464 = 943^2 + 1092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2081713 - 2¹³ = 2073521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2081719) 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, 2418 + ... + 3163.

It is an arithmetic number, because the mean of its divisors is an integer number (521917).

It is a Poulet number, since it divides 2^2081712-1.

2^2081713 is an apocalyptic number.

It is an amenable number.

2081713 is a deficient number, since it is larger than the sum of its proper divisors (5955).

2081713 is an equidigital number, since it uses as much as digits as its factorization.

2081713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 2081713 is about 1442.8142638607. The cubic root of 2081713 is about 127.6851187652.

The spelling of 2081713 in words is "two million, eighty-one thousand, seven hundred thirteen".