255015172 has 6 divisors (see below), whose sum is σ = 446276558. Its totient is φ = 127507584.

The previous prime is 255015127. The next prime is 255015221. The reversal of 255015172 is 271510552.

255015172 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 213335236 + 41679936 = 14606^2 + 6456^2 .

255015172 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 255015172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31876893 + ... + 31876900.

Almost surely, 2^255015172 is an apocalyptic number.

It is an amenable number.

255015172 is a deficient number, since it is larger than the sum of its proper divisors (191261386).

255015172 is a wasteful number, since it uses less digits than its factorization.

255015172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63753797 (or 63753795 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 255015172 is about 15969.1944693525. The cubic root of 255015172 is about 634.1451468373.

The spelling of 255015172 in words is "two hundred fifty-five million, fifteen thousand, one hundred seventy-two".