6469925 has 24 divisors (see below), whose sum is σ = 10005312. Its totient is φ = 4032000.

The previous prime is 6469921. The next prime is 6469943. The reversal of 6469925 is 5299646.

It is not a de Polignac number, because 6469925 - 2² = 6469921 is a prime.

It is a d-powerful number, because it can be written as 6 + 4⁶ + 6⁸ + 9² + 9⁷ + 2⁵ + 5⁵ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469921) 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 23 ways as a sum of consecutive naturals, for example, 245 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (416888).

Almost surely, 2^6469925 is an apocalyptic number.

It is an amenable number.

6469925 is a deficient number, since it is larger than the sum of its proper divisors (3535387).

6469925 is a wasteful number, since it uses less digits than its factorization.

6469925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389 (or 3384 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 6469925 is about 2543.6047255814. The cubic root of 6469925 is about 186.3372787341.

The spelling of 6469925 in words is "six million, four hundred sixty-nine thousand, nine hundred twenty-five".