3021001 has 2 divisors, whose sum is σ = 3021002. Its totient is φ = 3021000.

The previous prime is 3020999. The next prime is 3021059. The reversal of 3021001 is 1001203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 1157776 = 1365^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 3021001 - 2¹ = 3020999 is a prime.

Together with 3020999, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3021061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510500 + 1510501.

It is an arithmetic number, because the mean of its divisors is an integer number (1510501).

Almost surely, 2^3021001 is an apocalyptic number.

It is an amenable number.

3021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3021001 is an equidigital number, since it uses as much as digits as its factorization.

3021001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 3021001 is about 1738.1027012234. The cubic root of 3021001 is about 144.5607156958.

Adding to 3021001 its reverse (1001203), we get a palindrome (4022204).

The spelling of 3021001 in words is "three million, twenty-one thousand, one".