2341021 has 4 divisors (see below), whose sum is σ = 2361852. Its totient is φ = 2320192.

The previous prime is 2340983. The next prime is 2341033. The reversal of 2341021 is 1201432.

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 45796 + 2295225 = 214^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 2341021 - 2⁷ = 2340893 is a prime.

It is a Duffinian number.

2341021 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2340992 and 2341010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2341091) 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, 10246 + ... + 10471.

It is an arithmetic number, because the mean of its divisors is an integer number (590463).

2^2341021 is an apocalyptic number.

It is an amenable number.

2341021 is a deficient number, since it is larger than the sum of its proper divisors (20831).

2341021 is a wasteful number, since it uses less digits than its factorization.

2341021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20830.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2341021 is about 1530.0395419727. The cubic root of 2341021 is about 132.7807456541.

Adding to 2341021 its reverse (1201432), we get a palindrome (3542453).

The spelling of 2341021 in words is "two million, three hundred forty-one thousand, twenty-one".