7487525 has 6 divisors (see below), whose sum is σ = 9284562. Its totient is φ = 5990000.

The previous prime is 7487507. The next prime is 7487549. The reversal of 7487525 is 5257847.

It can be written as a sum of positive squares in 3 ways, for example, as 12769 + 7474756 = 113^2 + 2734^2 .

It is not a de Polignac number, because 7487525 - 2⁸ = 7487269 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149726 + ... + 149775.

It is an arithmetic number, because the mean of its divisors is an integer number (1547427).

Almost surely, 2^7487525 is an apocalyptic number.

It is an amenable number.

7487525 is a deficient number, since it is larger than the sum of its proper divisors (1797037).

7487525 is a wasteful number, since it uses less digits than its factorization.

7487525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299511 (or 299506 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The square root of 7487525 is about 2736.3342266616. The cubic root of 7487525 is about 195.6347929989.

The spelling of 7487525 in words is "seven million, four hundred eighty-seven thousand, five hundred twenty-five".