256702201 has 4 divisors (see below), whose sum is σ = 293373952. Its totient is φ = 220030452.

The previous prime is 256702183. The next prime is 256702207. The reversal of 256702201 is 102207652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 256702201 - 2⁵ = 256702169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256702207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18335865 + ... + 18335878.

It is an arithmetic number, because the mean of its divisors is an integer number (73343488).

Almost surely, 2^256702201 is an apocalyptic number.

It is an amenable number.

256702201 is a deficient number, since it is larger than the sum of its proper divisors (36671751).

256702201 is an equidigital number, since it uses as much as digits as its factorization.

256702201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36671750.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 256702201 is about 16021.9287540546. The cubic root of 256702201 is about 635.5404504656.

Adding to 256702201 its reverse (102207652), we get a palindrome (358909853).

The spelling of 256702201 in words is "two hundred fifty-six million, seven hundred two thousand, two hundred one".