6255645 has 32 divisors (see below), whose sum is σ = 11280384. Its totient is φ = 2932800.

The previous prime is 6255631. The next prime is 6255649. The reversal of 6255645 is 5465526.

It is a happy number.

6255645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6255645 - 2⁴ = 6255629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 4504 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (352512).

Almost surely, 2^6255645 is an apocalyptic number.

It is an amenable number.

6255645 is a deficient number, since it is larger than the sum of its proper divisors (5024739).

6255645 is a wasteful number, since it uses less digits than its factorization.

6255645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its digits is 36000, while the sum is 33.

The square root of 6255645 is about 2501.1287451869. The cubic root of 6255645 is about 184.2570151983.

The spelling of 6255645 in words is "six million, two hundred fifty-five thousand, six hundred forty-five".