255221952 has 56 divisors (see below), whose sum is σ = 715005936. Its totient is φ = 80068608.

The previous prime is 255221947. The next prime is 255221957. The reversal of 255221952 is 259122552.

It is an interprime number because it is at equal distance from previous prime (255221947) and next prime (255221957).

It is not an unprimeable number, because it can be changed into a prime (255221957) 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, 35833 + ... + 42360.

Almost surely, 2^255221952 is an apocalyptic number.

It is an amenable number.

255221952 is an abundant number, since it is smaller than the sum of its proper divisors (459783984).

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

255221952 is a wasteful number, since it uses less digits than its factorization.

255221952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78225 (or 78215 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 255221952 is about 15975.6674977918. The cubic root of 255221952 is about 634.3165001812.

The spelling of 255221952 in words is "two hundred fifty-five million, two hundred twenty-one thousand, nine hundred fifty-two".