255231436 has 24 divisors (see below), whose sum is σ = 462687120. Its totient is φ = 123047232.

The previous prime is 255231419. The next prime is 255231443. The reversal of 255231436 is 634132552.

It is a happy number.

255231436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

255231436 is a modest number, since divided by 31436 gives 2552 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 255231398 and 255231407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147271 + ... + 148993.

It is an arithmetic number, because the mean of its divisors is an integer number (19278630).

Almost surely, 2^255231436 is an apocalyptic number.

It is an amenable number.

255231436 is a deficient number, since it is larger than the sum of its proper divisors (207455684).

255231436 is a wasteful number, since it uses less digits than its factorization.

255231436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033 (or 3031 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 255231436 is about 15975.9643214424. The cubic root of 255231436 is about 634.3243571113.

Adding to 255231436 its reverse (634132552), we get a palindrome (889363988).

The spelling of 255231436 in words is "two hundred fifty-five million, two hundred thirty-one thousand, four hundred thirty-six".