3509573 has 4 divisors (see below), whose sum is σ = 3513420. Its totient is φ = 3505728.

The previous prime is 3509567. The next prime is 3509579. The reversal of 3509573 is 3759053.

3509573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3509567) and next prime (3509579).

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 2815684 = 833^2 + 1678^2 .

It is a cyclic number.

It is not a de Polignac number, because 3509573 - 2¹² = 3505477 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 (3509579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311 + ... + 2667.

It is an arithmetic number, because the mean of its divisors is an integer number (878355).

Almost surely, 2^3509573 is an apocalyptic number.

It is an amenable number.

3509573 is a deficient number, since it is larger than the sum of its proper divisors (3847).

3509573 is a wasteful number, since it uses less digits than its factorization.

3509573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 3509573 is about 1873.3854381840. The cubic root of 3509573 is about 151.9677476584.

The spelling of 3509573 in words is "three million, five hundred nine thousand, five hundred seventy-three".