2432021 has 4 divisors (see below), whose sum is σ = 2446752. Its totient is φ = 2417292.

The previous prime is 2431999. The next prime is 2432041. The reversal of 2432021 is 1202342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2432021 - 2¹⁰ = 2430997 is a prime.

It is a super-2 number, since 2×2432021² = 11829452288882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2431987 and 2432005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2432041) 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, 7115 + ... + 7448.

It is an arithmetic number, because the mean of its divisors is an integer number (611688).

2^2432021 is an apocalyptic number.

It is an amenable number.

2432021 is a deficient number, since it is larger than the sum of its proper divisors (14731).

2432021 is a wasteful number, since it uses less digits than its factorization.

2432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14730.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2432021 is about 1559.4938281378. The cubic root of 2432021 is about 134.4794033404.

Adding to 2432021 its reverse (1202342), we get a palindrome (3634363).

The spelling of 2432021 in words is "two million, four hundred thirty-two thousand, twenty-one".