3523481 has 6 divisors (see below), whose sum is σ = 3815550. Its totient is φ = 3252288.

The previous prime is 3523477. The next prime is 3523483. The reversal of 3523481 is 1843253.

It can be written as a sum of positive squares in 3 ways, for example, as 225625 + 3297856 = 475^2 + 1816^2 .

It is not a de Polignac number, because 3523481 - 2² = 3523477 is a prime.

It is a super-2 number, since 2×3523481² = 24829836714722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3523481.

It is not an unprimeable number, because it can be changed into a prime (3523483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10256 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (635925).

Almost surely, 2^3523481 is an apocalyptic number.

It is an amenable number.

3523481 is a deficient number, since it is larger than the sum of its proper divisors (292069).

3523481 is a wasteful number, since it uses less digits than its factorization.

3523481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20875 (or 20862 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 3523481 is about 1877.0937643069. The cubic root of 3523481 is about 152.1682261430.

It can be divided in two parts, 3523 and 481, that added together give a palindrome (4004).

The spelling of 3523481 in words is "three million, five hundred twenty-three thousand, four hundred eighty-one".