6465225 has 48 divisors (see below), whose sum is σ = 12152000. Its totient is φ = 3006720.

The previous prime is 6465223. The next prime is 6465229. The reversal of 6465225 is 5225646.

It is not a de Polignac number, because 6465225 - 2¹ = 6465223 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6465192 and 6465201.

It is not an unprimeable number, because it can be changed into a prime (6465223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18351 + ... + 18699.

Almost surely, 2^6465225 is an apocalyptic number.

6465225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6465225 is a deficient number, since it is larger than the sum of its proper divisors (5686775).

6465225 is a wasteful number, since it uses less digits than its factorization.

6465225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 389 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 6465225 is about 2542.6806720467. The cubic root of 6465225 is about 186.2921469712.

The spelling of 6465225 in words is "six million, four hundred sixty-five thousand, two hundred twenty-five".