255521532 has 24 divisors (see below), whose sum is σ = 681390976. Its totient is φ = 73006128.

The previous prime is 255521531. The next prime is 255521537. The reversal of 255521532 is 235125552.

It is a self number, because there is not a number n which added to its sum of digits gives 255521532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255521531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520878 + ... + 1521045.

Almost surely, 2^255521532 is an apocalyptic number.

It is an amenable number.

255521532 is an abundant number, since it is smaller than the sum of its proper divisors (425869444).

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

255521532 is a wasteful number, since it uses less digits than its factorization.

255521532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041937 (or 3041935 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 255521532 is about 15985.0408820247. The cubic root of 255521532 is about 634.5645904312.

The spelling of 255521532 in words is "two hundred fifty-five million, five hundred twenty-one thousand, five hundred thirty-two".