3520043 has 2 divisors, whose sum is σ = 3520044. Its totient is φ = 3520042.

The previous prime is 3520021. The next prime is 3520051. The reversal of 3520043 is 3400253.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3520043 - 2⁸ = 3519787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3520093) 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, 1760021 + 1760022.

It is an arithmetic number, because the mean of its divisors is an integer number (1760022).

Almost surely, 2^3520043 is an apocalyptic number.

3520043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520043 is an equidigital number, since it uses as much as digits as its factorization.

3520043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 3520043 is about 1876.1777634329. The cubic root of 3520043 is about 152.1187178482.

Adding to 3520043 its reverse (3400253), we get a palindrome (6920296).

The spelling of 3520043 in words is "three million, five hundred twenty thousand, forty-three".