3529281 has 16 divisors (see below), whose sum is σ = 5612544. Its totient is φ = 1928784.

The previous prime is 3529259. The next prime is 3529283. The reversal of 3529281 is 1829253.

It is a happy number.

3529281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3529281 - 2⁵ = 3529249 is a prime.

It is a super-2 number, since 2×3529281² = 24911648753922, which contains 22 as substring.

3529281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3529283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3171 + ... + 4136.

It is an arithmetic number, because the mean of its divisors is an integer number (350784).

Almost surely, 2^3529281 is an apocalyptic number.

It is an amenable number.

3529281 is a deficient number, since it is larger than the sum of its proper divisors (2083263).

3529281 is a wasteful number, since it uses less digits than its factorization.

3529281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340.

The product of its digits is 4320, while the sum is 30.

The square root of 3529281 is about 1878.6380705181. The cubic root of 3529281 is about 152.2516750472.

The spelling of 3529281 in words is "three million, five hundred twenty-nine thousand, two hundred eighty-one".