3520233 has 8 divisors (see below), whose sum is σ = 5215200. Its totient is φ = 2346804.

The previous prime is 3520229. The next prime is 3520243. The reversal of 3520233 is 3320253.

3520233 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 3520233 - 2² = 3520229 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3520243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65163 + ... + 65216.

It is an arithmetic number, because the mean of its divisors is an integer number (651900).

Almost surely, 2^3520233 is an apocalyptic number.

It is an amenable number.

3520233 is a deficient number, since it is larger than the sum of its proper divisors (1694967).

3520233 is a wasteful number, since it uses less digits than its factorization.

3520233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130388 (or 130382 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 3520233 is about 1876.2283976105. The cubic root of 3520233 is about 152.1214547501.

Adding to 3520233 its reverse (3320253), we get a palindrome (6840486).

The spelling of 3520233 in words is "three million, five hundred twenty thousand, two hundred thirty-three".