2141393 has 4 divisors (see below), whose sum is σ = 2147508. Its totient is φ = 2135280.

The previous prime is 2141333. The next prime is 2141401. The reversal of 2141393 is 3931412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1117249 + 1024144 = 1057^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141393 - 2⁶ = 2141329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2498 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (536877).

2^2141393 is an apocalyptic number.

It is an amenable number.

2141393 is a deficient number, since it is larger than the sum of its proper divisors (6115).

2141393 is an equidigital number, since it uses as much as digits as its factorization.

2141393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114.

The product of its digits is 648, while the sum is 23.

The square root of 2141393 is about 1463.3499239758. The cubic root of 2141393 is about 128.8938292740.

It can be divided in two parts, 21 and 41393, that added together give a palindrome (41414).

The spelling of 2141393 in words is "two million, one hundred forty-one thousand, three hundred ninety-three".