256541336 has 8 divisors (see below), whose sum is σ = 481015020. Its totient is φ = 128270664.

The previous prime is 256541317. The next prime is 256541393. The reversal of 256541336 is 633145652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 256541296 and 256541305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16033826 + ... + 16033841.

Almost surely, 2^256541336 is an apocalyptic number.

It is an amenable number.

256541336 is a deficient number, since it is larger than the sum of its proper divisors (224473684).

256541336 is a wasteful number, since it uses less digits than its factorization.

256541336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32067673 (or 32067669 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 256541336 is about 16016.9078164295. The cubic root of 256541336 is about 635.4076667998.

Adding to 256541336 its reverse (633145652), we get a palindrome (889686988).

The spelling of 256541336 in words is "two hundred fifty-six million, five hundred forty-one thousand, three hundred thirty-six".