255121252 has 12 divisors (see below), whose sum is σ = 451065580. Its totient is φ = 126245376.

The previous prime is 255121241. The next prime is 255121271. The reversal of 255121252 is 252121552.

It can be written as a sum of positive squares in 2 ways, for example, as 99520576 + 155600676 = 9976^2 + 12474^2 .

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, 328377 + ... + 329152.

Almost surely, 2^255121252 is an apocalyptic number.

It is an amenable number.

255121252 is a deficient number, since it is larger than the sum of its proper divisors (195944328).

255121252 is a wasteful number, since it uses less digits than its factorization.

255121252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657630 (or 657628 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 255121252 is about 15972.5155188530. The cubic root of 255121252 is about 634.2330642100.

The spelling of 255121252 in words is "two hundred fifty-five million, one hundred twenty-one thousand, two hundred fifty-two".