7512225 has 48 divisors (see below), whose sum is σ = 14582400. Its totient is φ = 3340800.

The previous prime is 7512217. The next prime is 7512289. The reversal of 7512225 is 5222157.

It is not a de Polignac number, because 7512225 - 2³ = 7512217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7512195 and 7512204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21351 + ... + 21699.

It is an arithmetic number, because the mean of its divisors is an integer number (303800).

Almost surely, 2^7512225 is an apocalyptic number.

7512225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7512225 is a deficient number, since it is larger than the sum of its proper divisors (7070175).

7512225 is a wasteful number, since it uses less digits than its factorization.

7512225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 405 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 7512225 is about 2740.8438481606. The cubic root of 7512225 is about 195.8496782293.

The spelling of 7512225 in words is "seven million, five hundred twelve thousand, two hundred twenty-five".