7275225 has 12 divisors (see below), whose sum is σ = 12028496. Its totient is φ = 3880080.

The previous prime is 7275221. The next prime is 7275227. The reversal of 7275225 is 5225727.

7275225 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7275225 - 2² = 7275221 is a prime.

It is a super-3 number, since 3×7275225³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7275192 and 7275201.

It is not an unprimeable number, because it can be changed into a prime (7275221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48427 + ... + 48576.

Almost surely, 2^7275225 is an apocalyptic number.

7275225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7275225 is a deficient number, since it is larger than the sum of its proper divisors (4753271).

7275225 is a wasteful number, since it uses less digits than its factorization.

7275225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97016 (or 97011 counting only the distinct ones).

The product of its digits is 9800, while the sum is 30.

The square root of 7275225 is about 2697.2625011296. The cubic root of 7275225 is about 193.7680385564.

The spelling of 7275225 in words is "seven million, two hundred seventy-five thousand, two hundred twenty-five".