3521331 has 12 divisors (see below), whose sum is σ = 5548920. Its totient is φ = 2134080.

The previous prime is 3521303. The next prime is 3521341. The reversal of 3521331 is 1331253.

It is not a de Polignac number, because 3521331 - 2⁵ = 3521299 is a prime.

It is a super-2 number, since 2×3521331² = 24799544023122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3521341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17686 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (462410).

Almost surely, 2^3521331 is an apocalyptic number.

3521331 is a deficient number, since it is larger than the sum of its proper divisors (2027589).

3521331 is a wasteful number, since it uses less digits than its factorization.

3521331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35586 (or 35583 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 3521331 is about 1876.5209830961. The cubic root of 3521331 is about 152.1372692330.

Adding to 3521331 its reverse (1331253), we get a palindrome (4852584).

The spelling of 3521331 in words is "three million, five hundred twenty-one thousand, three hundred thirty-one".