6410255 has 4 divisors (see below), whose sum is σ = 7692312. Its totient is φ = 5128200.

The previous prime is 6410251. The next prime is 6410267. The reversal of 6410255 is 5520146.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6410255 - 2² = 6410251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6410255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6410251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641021 + ... + 641030.

It is an arithmetic number, because the mean of its divisors is an integer number (1923078).

Almost surely, 2^6410255 is an apocalyptic number.

6410255 is a deficient number, since it is larger than the sum of its proper divisors (1282057).

6410255 is a wasteful number, since it uses less digits than its factorization.

6410255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282056.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 6410255 is about 2531.8481392058. The cubic root of 6410255 is about 185.7626660372.

The spelling of 6410255 in words is "six million, four hundred ten thousand, two hundred fifty-five".