7485525 has 72 divisors (see below), whose sum is σ = 15088320. Its totient is φ = 3525120.

The previous prime is 7485503. The next prime is 7485529. The reversal of 7485525 is 5255847.

It is a happy number.

It is not a de Polignac number, because 7485525 - 2⁶ = 7485461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7485525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7485529) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 72624 + ... + 72726.

It is an arithmetic number, because the mean of its divisors is an integer number (209560).

Almost surely, 2^7485525 is an apocalyptic number.

7485525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7485525 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

7485525 is a wasteful number, since it uses less digits than its factorization.

7485525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 147 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 7485525 is about 2735.9687498215. The cubic root of 7485525 is about 195.6173727152.

The spelling of 7485525 in words is "seven million, four hundred eighty-five thousand, five hundred twenty-five".