7522885 has 8 divisors (see below), whose sum is σ = 9247896. Its totient is φ = 5871360.

The previous prime is 7522847. The next prime is 7522901. The reversal of 7522885 is 5882257.

It can be written as a sum of positive squares in 4 ways, for example, as 91809 + 7431076 = 303^2 + 2726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7522885 - 2¹¹ = 7520837 is a prime.

It is a Duffinian number.

7522885 is a lucky number.

It is a congruent number.

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, 18144 + ... + 18553.

It is an arithmetic number, because the mean of its divisors is an integer number (1155987).

Almost surely, 2^7522885 is an apocalyptic number.

It is an amenable number.

7522885 is a deficient number, since it is larger than the sum of its proper divisors (1725011).

7522885 is a wasteful number, since it uses less digits than its factorization.

7522885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36743.

The product of its digits is 44800, while the sum is 37.

The square root of 7522885 is about 2742.7878153441. The cubic root of 7522885 is about 195.9422726704.

The spelling of 7522885 in words is "seven million, five hundred twenty-two thousand, eight hundred eighty-five".