3530 has 8 divisors (see below), whose sum is σ = 6372. Its totient is φ = 1408.

The previous prime is 3529. The next prime is 3533. The reversal of 3530 is 353.

3530 = T₄₀ + T₄₁ + ... + T₄₃.

It can be written as a sum of positive squares in 2 ways, for example, as 3481 + 49 = 59^2 + 7^2 .

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167 + ... + 186.

2³⁵³⁰ is an apocalyptic number.

3530 is a deficient number, since it is larger than the sum of its proper divisors (2842).

3530 is a wasteful number, since it uses less digits than its factorization.

3530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 3530 is about 59.4138031101. The cubic root of 3530 is about 15.2262013463.

Adding to 3530 its reverse (353), we get a palindrome (3883).

The spelling of 3530 in words is "three thousand, five hundred thirty".