3520535 has 16 divisors (see below), whose sum is σ = 4396032. Its totient is φ = 2704800.

The previous prime is 3520519. The next prime is 3520537. The reversal of 3520535 is 5350253.

It is a happy number.

It is not a de Polignac number, because 3520535 - 2⁴ = 3520519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3520535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520537) 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, 16580 + ... + 16790.

It is an arithmetic number, because the mean of its divisors is an integer number (274752).

Almost surely, 2^3520535 is an apocalyptic number.

3520535 is a deficient number, since it is larger than the sum of its proper divisors (875497).

3520535 is a wasteful number, since it uses less digits than its factorization.

3520535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 3520535 is about 1876.3088764913. The cubic root of 3520535 is about 152.1258047808.

Adding to 3520535 its reverse (5350253), we get a palindrome (8870788).

The spelling of 3520535 in words is "three million, five hundred twenty thousand, five hundred thirty-five".