256541201 has 8 divisors (see below), whose sum is σ = 295880640. Its totient is φ = 217874448.

The previous prime is 256541183. The next prime is 256541251. The reversal of 256541201 is 102145652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256541201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256541251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167351 + ... + 168876.

It is an arithmetic number, because the mean of its divisors is an integer number (36985080).

Almost surely, 2^256541201 is an apocalyptic number.

It is an amenable number.

256541201 is a deficient number, since it is larger than the sum of its proper divisors (39339439).

256541201 is a wasteful number, since it uses less digits than its factorization.

256541201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336343.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 256541201 is about 16016.9036021323. The cubic root of 256541201 is about 635.4075553427.

Adding to 256541201 its reverse (102145652), we get a palindrome (358686853).

The spelling of 256541201 in words is "two hundred fifty-six million, five hundred forty-one thousand, two hundred one".