256925201 has 8 divisors (see below), whose sum is σ = 291251520. Its totient is φ = 224679312.

The previous prime is 256925197. The next prime is 256925219. The reversal of 256925201 is 102529652.

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

It is not a de Polignac number, because 256925201 - 2² = 256925197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256925231) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 519845 + ... + 520338.

It is an arithmetic number, because the mean of its divisors is an integer number (36406440).

Almost surely, 2^256925201 is an apocalyptic number.

It is an amenable number.

256925201 is a deficient number, since it is larger than the sum of its proper divisors (34326319).

256925201 is a wasteful number, since it uses less digits than its factorization.

256925201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040215.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 256925201 is about 16028.8864553967. The cubic root of 256925201 is about 635.7244308395.

The spelling of 256925201 in words is "two hundred fifty-six million, nine hundred twenty-five thousand, two hundred one".