3521533 has 8 divisors (see below), whose sum is σ = 3792960. Its totient is φ = 3257280.

The previous prime is 3521527. The next prime is 3521537. The reversal of 3521533 is 3351253.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3521533 - 2¹⁷ = 3390461 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753 + ... + 2758.

It is an arithmetic number, because the mean of its divisors is an integer number (474120).

Almost surely, 2^3521533 is an apocalyptic number.

It is an amenable number.

3521533 is a deficient number, since it is larger than the sum of its proper divisors (271427).

3521533 is a wasteful number, since it uses less digits than its factorization.

3521533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587.

The product of its digits is 1350, while the sum is 22.

The square root of 3521533 is about 1876.5748053302. The cubic root of 3521533 is about 152.1401782789.

Adding to 3521533 its reverse (3351253), we get a palindrome (6872786).

The spelling of 3521533 in words is "three million, five hundred twenty-one thousand, five hundred thirty-three".