3506543 has 4 divisors (see below), whose sum is σ = 3519480. Its totient is φ = 3493608.

The previous prime is 3506519. The next prime is 3506549. The reversal of 3506543 is 3456053.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3506543 - 2⁶ = 3506479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6053 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (879870).

Almost surely, 2^3506543 is an apocalyptic number.

3506543 is a deficient number, since it is larger than the sum of its proper divisors (12937).

3506543 is a wasteful number, since it uses less digits than its factorization.

3506543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3506543 is about 1872.5765671929. The cubic root of 3506543 is about 151.9240011349.

The spelling of 3506543 in words is "three million, five hundred six thousand, five hundred forty-three".