6466425 has 48 divisors (see below), whose sum is σ = 12439680. Its totient is φ = 2903040.

The previous prime is 6466417. The next prime is 6466429. The reversal of 6466425 is 5246646.

6466425 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 6466425 - 2³ = 6466417 is a prime.

6466425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6466429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57169 + ... + 57281.

It is an arithmetic number, because the mean of its divisors is an integer number (259160).

Almost surely, 2^6466425 is an apocalyptic number.

It is an amenable number.

6466425 is a deficient number, since it is larger than the sum of its proper divisors (5973255).

6466425 is a wasteful number, since it uses less digits than its factorization.

6466425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 237 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 6466425 is about 2542.9166325304. The cubic root of 6466425 is about 186.3036720533.

The spelling of 6466425 in words is "six million, four hundred sixty-six thousand, four hundred twenty-five".