255215132 has 12 divisors (see below), whose sum is σ = 447598536. Its totient is φ = 127329840.

The previous prime is 255215099. The next prime is 255215141. The reversal of 255215132 is 231512552.

255215132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67358 + ... + 71045.

It is an arithmetic number, because the mean of its divisors is an integer number (37299878).

Almost surely, 2^255215132 is an apocalyptic number.

It is an amenable number.

255215132 is a deficient number, since it is larger than the sum of its proper divisors (192383404).

255215132 is a wasteful number, since it uses less digits than its factorization.

255215132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138868 (or 138866 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 255215132 is about 15975.4540467556. The cubic root of 255215132 is about 634.3108500963.

Adding to 255215132 its reverse (231512552), we get a palindrome (486727684).

The spelling of 255215132 in words is "two hundred fifty-five million, two hundred fifteen thousand, one hundred thirty-two".