3521043 has 8 divisors (see below), whose sum is σ = 5216400. Its totient is φ = 2347344.

The previous prime is 3521033. The next prime is 3521053. The reversal of 3521043 is 3401253.

It is an interprime number because it is at equal distance from previous prime (3521033) and next prime (3521053).

It is not a de Polignac number, because 3521043 - 2⁸ = 3520787 is a prime.

3521043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3521033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65178 + ... + 65231.

It is an arithmetic number, because the mean of its divisors is an integer number (652050).

Almost surely, 2^3521043 is an apocalyptic number.

3521043 is a deficient number, since it is larger than the sum of its proper divisors (1695357).

3521043 is a wasteful number, since it uses less digits than its factorization.

3521043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130418 (or 130412 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3521043 is about 1876.4442437760. Note that the first 3 decimals coincide. The cubic root of 3521043 is about 152.1331214900.

Adding to 3521043 its reverse (3401253), we get a palindrome (6922296).

It can be divided in two parts, 35210 and 43, that added together give a palindrome (35253).

The spelling of 3521043 in words is "three million, five hundred twenty-one thousand, forty-three".