256206052 has 6 divisors (see below), whose sum is σ = 448360598. Its totient is φ = 128103024.

The previous prime is 256206017. The next prime is 256206053. The reversal of 256206052 is 250602652.

256206052 is digitally balanced in base 2, because in such base 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., 164506276 + 91699776 = 12826^2 + 9576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 256206052.

It is not an unprimeable number, because it can be changed into a prime (256206053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32025753 + ... + 32025760.

Almost surely, 2^256206052 is an apocalyptic number.

It is an amenable number.

256206052 is a deficient number, since it is larger than the sum of its proper divisors (192154546).

256206052 is a wasteful number, since it uses less digits than its factorization.

256206052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64051517 (or 64051515 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 256206052 is about 16006.4378298233. The cubic root of 256206052 is about 635.1307329979.

The spelling of 256206052 in words is "two hundred fifty-six million, two hundred six thousand, fifty-two".