256200601 has 2 divisors, whose sum is σ = 256200602. Its totient is φ = 256200600.

The previous prime is 256200559. The next prime is 256200653. The reversal of 256200601 is 106002652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140659600 + 115541001 = 11860^2 + 10749^2 .

It is a cyclic number.

It is not a de Polignac number, because 256200601 - 2²¹ = 254103449 is a prime.

It is a super-2 number, since 2×256200601² = 131277495905522402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256200401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128100300 + 128100301.

It is an arithmetic number, because the mean of its divisors is an integer number (128100301).

Almost surely, 2^256200601 is an apocalyptic number.

It is an amenable number.

256200601 is a deficient number, since it is larger than the sum of its proper divisors (1).

256200601 is an equidigital number, since it uses as much as digits as its factorization.

256200601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 256200601 is about 16006.2675536803. The cubic root of 256200601 is about 635.1262286518.

The spelling of 256200601 in words is "two hundred fifty-six million, two hundred thousand, six hundred one".