7545625 has 10 divisors (see below), whose sum is σ = 9429794. Its totient is φ = 6036000.

The previous prime is 7545611. The next prime is 7545631. The reversal of 7545625 is 5265457.

It can be written as a sum of positive squares in 5 ways, for example, as 5331481 + 2214144 = 2309^2 + 1488^2 .

It is not a de Polignac number, because 7545625 - 2⁷ = 7545497 is a prime.

It is a Duffinian number.

7545625 is a lucky 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 9 ways as a sum of consecutive naturals, for example, 5412 + ... + 6661.

Almost surely, 2^7545625 is an apocalyptic number.

It is an amenable number.

7545625 is a deficient number, since it is larger than the sum of its proper divisors (1884169).

7545625 is an equidigital number, since it uses as much as digits as its factorization.

7545625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093 (or 12078 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 7545625 is about 2746.9301046805. The cubic root of 7545625 is about 196.1395039741.

The spelling of 7545625 in words is "seven million, five hundred forty-five thousand, six hundred twenty-five".