255215626 has 16 divisors (see below), whose sum is σ = 385976448. Its totient is φ = 126561600.

The previous prime is 255215561. The next prime is 255215627. The reversal of 255215626 is 626512552.

It is a junction number, because it is equal to n+sod(n) for n = 255215591 and 255215600.

It is not an unprimeable number, because it can be changed into a prime (255215627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135471 + ... + 137341.

It is an arithmetic number, because the mean of its divisors is an integer number (24123528).

Almost surely, 2^255215626 is an apocalyptic number.

255215626 is a deficient number, since it is larger than the sum of its proper divisors (130760822).

255215626 is a wasteful number, since it uses less digits than its factorization.

255215626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its digits is 36000, while the sum is 34.

The square root of 255215626 is about 15975.4695079675. The cubic root of 255215626 is about 634.3112593580.

The spelling of 255215626 in words is "two hundred fifty-five million, two hundred fifteen thousand, six hundred twenty-six".