6255643 has 12 divisors (see below), whose sum is σ = 6802488. Its totient is φ = 5732480.

The previous prime is 6255631. The next prime is 6255649. The reversal of 6255643 is 3465526.

It is not a de Polignac number, because 6255643 - 2²¹ = 4158491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6255649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47688 + ... + 47818.

It is an arithmetic number, because the mean of its divisors is an integer number (566874).

Almost surely, 2^6255643 is an apocalyptic number.

6255643 is a deficient number, since it is larger than the sum of its proper divisors (546845).

6255643 is a wasteful number, since it uses less digits than its factorization.

6255643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 201 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 6255643 is about 2501.1283453673. The cubic root of 6255643 is about 184.2569955620.

The spelling of 6255643 in words is "six million, two hundred fifty-five thousand, six hundred forty-three".