3525320 has 32 divisors (see below), whose sum is σ = 8190720. Its totient is φ = 1364160.

The previous prime is 3525311. The next prime is 3525359. The reversal of 3525320 is 235253.

3525320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3525320² = 24855762204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3525292 and 3525301.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 182 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (255960).

Almost surely, 2^3525320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3525320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4095360).

3525320 is an abundant number, since it is smaller than the sum of its proper divisors (4665400).

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

3525320 is a wasteful number, since it uses less digits than its factorization.

3525320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3525320 is about 1877.5835534005. The cubic root of 3525320 is about 152.1946951091.

The spelling of 3525320 in words is "three million, five hundred twenty-five thousand, three hundred twenty".