6255406 has 4 divisors (see below), whose sum is σ = 9383112. Its totient is φ = 3127702.

The previous prime is 6255391. The next prime is 6255409. The reversal of 6255406 is 6045526.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6255409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563850 + ... + 1563853.

It is an arithmetic number, because the mean of its divisors is an integer number (2345778).

Almost surely, 2^6255406 is an apocalyptic number.

6255406 is a deficient number, since it is larger than the sum of its proper divisors (3127706).

6255406 is a wasteful number, since it uses less digits than its factorization.

6255406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127705.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 6255406 is about 2501.0809663024. The cubic root of 6255406 is about 184.2546686251.

The spelling of 6255406 in words is "six million, two hundred fifty-five thousand, four hundred six".