7501225 has 12 divisors (see below), whose sum is σ = 9602560. Its totient is φ = 5806800.

The previous prime is 7501217. The next prime is 7501297. The reversal of 7501225 is 5221057.

It is not a de Polignac number, because 7501225 - 2³ = 7501217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7501196 and 7501205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4065 + ... + 5614.

Almost surely, 2^7501225 is an apocalyptic number.

It is an amenable number.

7501225 is a deficient number, since it is larger than the sum of its proper divisors (2101335).

7501225 is a wasteful number, since it uses less digits than its factorization.

7501225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720 (or 9715 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 7501225 is about 2738.8364317717. The cubic root of 7501225 is about 195.7540386180.

The spelling of 7501225 in words is "seven million, five hundred one thousand, two hundred twenty-five".