2141321 has 8 divisors (see below), whose sum is σ = 2635584. Its totient is φ = 1694160.

The previous prime is 2141311. The next prime is 2141329. The reversal of 2141321 is 1231412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2141321 - 2⁶ = 2141257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2141296 and 2141305.

It is not an unprimeable number, because it can be changed into a prime (2141329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11675 + ... + 11856.

It is an arithmetic number, because the mean of its divisors is an integer number (329448).

2^2141321 is an apocalyptic number.

It is an amenable number.

2141321 is a deficient number, since it is larger than the sum of its proper divisors (494263).

2141321 is a wasteful number, since it uses less digits than its factorization.

2141321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23551.

The product of its digits is 48, while the sum is 14.

The square root of 2141321 is about 1463.3253226812. The cubic root of 2141321 is about 128.8923846599.

Adding to 2141321 its reverse (1231412), we get a palindrome (3372733).

Subtracting from 2141321 its reverse (1231412), we obtain a palindrome (909909).

The spelling of 2141321 in words is "two million, one hundred forty-one thousand, three hundred twenty-one".