7522500 has 120 divisors (see below), whose sum is σ = 23617440. Its totient is φ = 1856000.

The previous prime is 7522469. The next prime is 7522519. The reversal of 7522500 is 52257.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127471 + ... + 127529.

It is an arithmetic number, because the mean of its divisors is an integer number (196812).

Almost surely, 2^7522500 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 7522500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11808720).

7522500 is an abundant number, since it is smaller than the sum of its proper divisors (16094940).

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

7522500 is a wasteful number, since it uses less digits than its factorization.

7522500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 7522500 is about 2742.7176303805. The cubic root of 7522500 is about 195.9389300227.

Adding to 7522500 its reverse (52257), we get a palindrome (7574757).

The spelling of 7522500 in words is "seven million, five hundred twenty-two thousand, five hundred".