265696201 has 2 divisors, whose sum is σ = 265696202. Its totient is φ = 265696200.

The previous prime is 265696187. The next prime is 265696219. The reversal of 265696201 is 102696562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220819600 + 44876601 = 14860^2 + 6699^2 .

It is a cyclic number.

It is not a de Polignac number, because 265696201 - 2⁷ = 265696073 is a prime.

It is not a weakly prime, because it can be changed into another prime (265691201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132848100 + 132848101.

It is an arithmetic number, because the mean of its divisors is an integer number (132848101).

Almost surely, 2^265696201 is an apocalyptic number.

It is an amenable number.

265696201 is a deficient number, since it is larger than the sum of its proper divisors (1).

265696201 is an equidigital number, since it uses as much as digits as its factorization.

265696201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 265696201 is about 16300.1902136141. The cubic root of 265696201 is about 642.8778287124.

The spelling of 265696201 in words is "two hundred sixty-five million, six hundred ninety-six thousand, two hundred one".