256001201 has 8 divisors (see below), whose sum is σ = 271512384. Its totient is φ = 240855120.

The previous prime is 256001197. The next prime is 256001233. The reversal of 256001201 is 102100652.

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

It is a cyclic number.

It is not a de Polignac number, because 256001201 - 2² = 256001197 is a prime.

It is a super-2 number, since 2×256001201² = 131073229826884802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 256001201.

It is not an unprimeable number, because it can be changed into a prime (256001281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89831 + ... + 92636.

It is an arithmetic number, because the mean of its divisors is an integer number (33939048).

Almost surely, 2^256001201 is an apocalyptic number.

It is an amenable number.

256001201 is a deficient number, since it is larger than the sum of its proper divisors (15511183).

256001201 is a wasteful number, since it uses less digits than its factorization.

256001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182551.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 256001201 is about 16000.0375312060. The cubic root of 256001201 is about 634.9614137382.

Adding to 256001201 its reverse (102100652), we get a palindrome (358101853).

The spelling of 256001201 in words is "two hundred fifty-six million, one thousand, two hundred one".