6225 has 12 divisors (see below), whose sum is σ = 10416. Its totient is φ = 3280.

The previous prime is 6221. The next prime is 6229. The reversal of 6225 is 5226.

It is an interprime number because it is at equal distance from previous prime (6221) and next prime (6229).

It is not a de Polignac number, because 6225 - 2² = 6221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34 + ... + 116.

It is an arithmetic number, because the mean of its divisors is an integer number (868).

2⁶²²⁵ is an apocalyptic number.

It is an amenable number.

6225 is a deficient number, since it is larger than the sum of its proper divisors (4191).

6225 is a wasteful number, since it uses less digits than its factorization.

6225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 91 counting only the distinct ones).

The product of its digits is 120, while the sum is 15.

The square root of 6225 is about 78.8986691903. The cubic root of 6225 is about 18.3955644633.

Subtracting from 6225 its product of digits (120), we obtain a triangular number (6105 = T₁₁₀).

Subtracting from 6225 its reverse (5226), we obtain a palindrome (999).

It can be divided in two parts, 6 and 225, that added together give a triangular number (231 = T₂₁).

The spelling of 6225 in words is "six thousand, two hundred twenty-five".