6425656 has 8 divisors (see below), whose sum is σ = 12048120. Its totient is φ = 3212824.

The previous prime is 6425651. The next prime is 6425663. The reversal of 6425656 is 6565246.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401596 + ... + 401611.

It is an arithmetic number, because the mean of its divisors is an integer number (1506015).

Almost surely, 2^6425656 is an apocalyptic number.

It is an amenable number.

6425656 is a deficient number, since it is larger than the sum of its proper divisors (5622464).

6425656 is a wasteful number, since it uses less digits than its factorization.

6425656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803213 (or 803209 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 6425656 is about 2534.8877687188. The cubic root of 6425656 is about 185.9113154898.

The spelling of 6425656 in words is "six million, four hundred twenty-five thousand, six hundred fifty-six".