7011225 has 96 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 3179520.

The previous prime is 7011223. The next prime is 7011229. The reversal of 7011225 is 5221107.

It is not a de Polignac number, because 7011225 - 2¹ = 7011223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7011198 and 7011207.

It is not an unprimeable number, because it can be changed into a prime (7011223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 149152 + ... + 149198.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

Almost surely, 2^7011225 is an apocalyptic number.

7011225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7011225 is an abundant number, since it is smaller than the sum of its proper divisors (7987815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7011225 is a wasteful number, since it uses less digits than its factorization.

7011225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 7011225 is about 2647.8717869262. The cubic root of 7011225 is about 191.3953143967.

The spelling of 7011225 in words is "seven million, eleven thousand, two hundred twenty-five".