252688256 has 32 divisors (see below), whose sum is σ = 504200280. Its totient is φ = 126144000.

The previous prime is 252688243. The next prime is 252688273. The reversal of 252688256 is 652886252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 111131 + ... + 113381.

Almost surely, 2^252688256 is an apocalyptic number.

It is an amenable number.

252688256 is a deficient number, since it is larger than the sum of its proper divisors (251512024).

252688256 is an equidigital number, since it uses as much as digits as its factorization.

252688256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142 (or 3130 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 252688256 is about 15896.1711113085. The cubic root of 252688256 is about 632.2104730812.

The spelling of 252688256 in words is "two hundred fifty-two million, six hundred eighty-eight thousand, two hundred fifty-six".