2143713 has 32 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 1131840.

The previous prime is 2143711. The next prime is 2143733. The reversal of 2143713 is 3173412.

It is not a de Polignac number, because 2143713 - 2¹ = 2143711 is a prime.

It is a super-3 number, since 3×2143713³ = 29554334172233304291, which contains 333 as substring.

It is a Curzon number.

2143713 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8020 + ... + 8282.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^2143713 is an apocalyptic number.

It is an amenable number.

2143713 is a deficient number, since it is larger than the sum of its proper divisors (1404447).

2143713 is a wasteful number, since it uses less digits than its factorization.

2143713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its digits is 504, while the sum is 21.

The square root of 2143713 is about 1464.1424111062. The cubic root of 2143713 is about 128.9403606296.

It can be divided in two parts, 21 and 43713, that added together give a palindrome (43734).

The spelling of 2143713 in words is "two million, one hundred forty-three thousand, seven hundred thirteen".