255213132 has 12 divisors (see below), whose sum is σ = 595497336. Its totient is φ = 85071040.

The previous prime is 255213113. The next prime is 255213157. The reversal of 255213132 is 231312552.

It is a happy number.

255213132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 10633869 + ... + 10633892.

It is an arithmetic number, because the mean of its divisors is an integer number (49624778).

Almost surely, 2^255213132 is an apocalyptic number.

It is an amenable number.

255213132 is an abundant number, since it is smaller than the sum of its proper divisors (340284204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255213132 is a wasteful number, since it uses less digits than its factorization.

255213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21267768 (or 21267766 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 255213132 is about 15975.3914506030. The cubic root of 255213132 is about 634.3091931608.

Adding to 255213132 its reverse (231312552), we get a palindrome (486525684).

The spelling of 255213132 in words is "two hundred fifty-five million, two hundred thirteen thousand, one hundred thirty-two".