256303204 has 6 divisors (see below), whose sum is σ = 448530614. Its totient is φ = 128151600.

The previous prime is 256303129. The next prime is 256303213. The reversal of 256303204 is 402303652.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 187744804 + 68558400 = 13702^2 + 8280^2 .

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, 32037897 + ... + 32037904.

Almost surely, 2^256303204 is an apocalyptic number.

It is an amenable number.

256303204 is a deficient number, since it is larger than the sum of its proper divisors (192227410).

256303204 is a wasteful number, since it uses less digits than its factorization.

256303204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64075805 (or 64075803 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 256303204 is about 16009.4723210979. The cubic root of 256303204 is about 635.2110022744.

Adding to 256303204 its reverse (402303652), we get a palindrome (658606856).

It can be divided in two parts, 25630 and 3204, that multiplied together give a triangular number (82118520 = T₁₂₈₁₅).

The spelling of 256303204 in words is "two hundred fifty-six million, three hundred three thousand, two hundred four".