3525522 has 64 divisors (see below), whose sum is σ = 9483264. Its totient is φ = 843840.

The previous prime is 3525521. The next prime is 3525539. The reversal of 3525522 is 2255253.

It is a junction number, because it is equal to n+sod(n) for n = 3525492 and 3525501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5713 + ... + 6299.

It is an arithmetic number, because the mean of its divisors is an integer number (148176).

Almost surely, 2^3525522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3525522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4741632).

3525522 is an abundant number, since it is smaller than the sum of its proper divisors (5957742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3525522 is a wasteful number, since it uses less digits than its factorization.

3525522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its digits is 3000, while the sum is 24.

The square root of 3525522 is about 1877.6373451761. The cubic root of 3525522 is about 152.1976019602.

It can be divided in two parts, 3 and 525522, that added together give a palindrome (525525).

The spelling of 3525522 in words is "three million, five hundred twenty-five thousand, five hundred twenty-two".