3521143 has 2 divisors, whose sum is σ = 3521144. Its totient is φ = 3521142.

The previous prime is 3521131. The next prime is 3521153. The reversal of 3521143 is 3411253.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3521143 - 2²¹ = 1423991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3521143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3521113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760571 + 1760572.

It is an arithmetic number, because the mean of its divisors is an integer number (1760572).

Almost surely, 2^3521143 is an apocalyptic number.

3521143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521143 is an equidigital number, since it uses as much as digits as its factorization.

3521143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 3521143 is about 1876.4708897289. The cubic root of 3521143 is about 152.1345617042.

Adding to 3521143 its reverse (3411253), we get a palindrome (6932396).

The spelling of 3521143 in words is "three million, five hundred twenty-one thousand, one hundred forty-three".