3021201 has 6 divisors (see below), whose sum is σ = 4363970. Its totient is φ = 2014128.

The previous prime is 3021173. The next prime is 3021241. The reversal of 3021201 is 1021203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2099601 + 921600 = 1449^2 + 960^2 .

It is not a de Polignac number, because 3021201 - 2⁵ = 3021169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 335689 = 3021201 / (3 + 0 + 2 + 1 + 2 + 0 + 1).

It is a Duffinian number.

3021201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3021241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167836 + ... + 167853.

Almost surely, 2^3021201 is an apocalyptic number.

It is an amenable number.

3021201 is a deficient number, since it is larger than the sum of its proper divisors (1342769).

3021201 is a wasteful number, since it uses less digits than its factorization.

3021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335695 (or 335692 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 3021201 is about 1738.1602342707. The cubic root of 3021201 is about 144.5639057538.

Adding to 3021201 its reverse (1021203), we get a palindrome (4042404).

The spelling of 3021201 in words is "three million, twenty-one thousand, two hundred one".