3506545 has 16 divisors (see below), whose sum is σ = 5063040. Its totient is φ = 2277504.

The previous prime is 3506519. The next prime is 3506549. The reversal of 3506545 is 5456053.

It is a cyclic number.

It is not a de Polignac number, because 3506545 - 2¹¹ = 3504497 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1972 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (316440).

Almost surely, 2^3506545 is an apocalyptic number.

3506545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3506545 is a deficient number, since it is larger than the sum of its proper divisors (1556495).

3506545 is a wasteful number, since it uses less digits than its factorization.

3506545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3506545 is about 1872.5771012164. The cubic root of 3506545 is about 151.9240300188.

The spelling of 3506545 in words is "three million, five hundred six thousand, five hundred forty-five".