6255561 has 16 divisors (see below), whose sum is σ = 9293760. Its totient is φ = 3716160.

The previous prime is 6255547. The next prime is 6255577. The reversal of 6255561 is 1655526.

It is not a de Polignac number, because 6255561 - 2⁶ = 6255497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6255581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (580860).

Almost surely, 2^6255561 is an apocalyptic number.

It is an amenable number.

6255561 is a deficient number, since it is larger than the sum of its proper divisors (3038199).

6255561 is a wasteful number, since it uses less digits than its factorization.

6255561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576.

The product of its digits is 9000, while the sum is 30.

The square root of 6255561 is about 2501.1119527122. Note that the first 3 decimals coincide. The cubic root of 6255561 is about 184.2561904681.

The spelling of 6255561 in words is "six million, two hundred fifty-five thousand, five hundred sixty-one".