3520201 has 2 divisors, whose sum is σ = 3520202. Its totient is φ = 3520200.

The previous prime is 3520183. The next prime is 3520211. The reversal of 3520201 is 1020253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3154176 + 366025 = 1776^2 + 605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3520201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3520211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760100 + 1760101.

It is an arithmetic number, because the mean of its divisors is an integer number (1760101).

Almost surely, 2^3520201 is an apocalyptic number.

It is an amenable number.

3520201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520201 is an equidigital number, since it uses as much as digits as its factorization.

3520201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 3520201 is about 1876.2198698447. The cubic root of 3520201 is about 152.1209938051.

Adding to 3520201 its reverse (1020253), we get a palindrome (4540454).

It can be divided in two parts, 3520 and 201, that added together give a square (3721 = 61²).

The spelling of 3520201 in words is "three million, five hundred twenty thousand, two hundred one".