3023021 has 4 divisors (see below), whose sum is σ = 3027612. Its totient is φ = 3018432.

The previous prime is 3023017. The next prime is 3023039. The reversal of 3023021 is 1203203.

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 978121 + 2044900 = 989^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 3023021 - 2² = 3023017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3022993 and 3023011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023081) 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, 1100 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (756903).

Almost surely, 2^3023021 is an apocalyptic number.

It is an amenable number.

3023021 is a deficient number, since it is larger than the sum of its proper divisors (4591).

3023021 is an equidigital number, since it uses as much as digits as its factorization.

3023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3023021 is about 1738.6836975137. The cubic root of 3023021 is about 144.5929288138.

Adding to 3023021 its reverse (1203203), we get a palindrome (4226224).

The spelling of 3023021 in words is "three million, twenty-three thousand, twenty-one".