255261972 has 48 divisors (see below), whose sum is σ = 694601600. Its totient is φ = 72930816.

The previous prime is 255261971. The next prime is 255261989. The reversal of 255261972 is 279162552.

It is a self number, because there is not a number n which added to its sum of digits gives 255261972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255261971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26893 + ... + 35124.

Almost surely, 2^255261972 is an apocalyptic number.

It is an amenable number.

255261972 is an abundant number, since it is smaller than the sum of its proper divisors (439339628).

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

255261972 is a wasteful number, since it uses less digits than its factorization.

255261972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62045 (or 62029 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 255261972 is about 15976.9199785190. The cubic root of 255261972 is about 634.3496530499.

The spelling of 255261972 in words is "two hundred fifty-five million, two hundred sixty-one thousand, nine hundred seventy-two".