626255 has 16 divisors (see below), whose sum is σ = 889920. Its totient is φ = 413952.

The previous prime is 626251. The next prime is 626261. The reversal of 626255 is 552626.

626255 = T₄₉₈ + T₄₉₉ + ... + T₅₀₂.

It is a happy number.

It is not a de Polignac number, because 626255 - 2² = 626251 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 626255.

It is not an unprimeable number, because it can be changed into a prime (626251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (55620).

2⁶²⁶²⁵⁵ is an apocalyptic number.

626255 is a deficient number, since it is larger than the sum of its proper divisors (263665).

626255 is a wasteful number, since it uses less digits than its factorization.

626255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its digits is 3600, while the sum is 26.

The square root of 626255 is about 791.3627486810. The cubic root of 626255 is about 85.5559862675. Note that the first 3 decimals are identical.

The spelling of 626255 in words is "six hundred twenty-six thousand, two hundred fifty-five".