3522500 has 30 divisors (see below), whose sum is σ = 7708470. Its totient is φ = 1408000.

The previous prime is 3522487. The next prime is 3522503. The reversal of 3522500 is 52253.

It can be written as a sum of positive squares in 5 ways, for example, as 2534464 + 988036 = 1592^2 + 994^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3522503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1796 + ... + 3204.

It is an arithmetic number, because the mean of its divisors is an integer number (256949).

Almost surely, 2^3522500 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 3522500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3854235).

3522500 is an abundant number, since it is smaller than the sum of its proper divisors (4185970).

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

3522500 is a wasteful number, since it uses less digits than its factorization.

3522500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 3522500 is about 1876.8324379123. The cubic root of 3522500 is about 152.1541027155.

Adding to 3522500 its reverse (52253), we get a palindrome (3574753).

The spelling of 3522500 in words is "three million, five hundred twenty-two thousand, five hundred".