201265 has 4 divisors (see below), whose sum is σ = 241524. Its totient is φ = 161008.

The previous prime is 201251. The next prime is 201281. The reversal of 201265 is 562102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126736 + 74529 = 356^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 201265 - 2⁵ = 201233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20122 + ... + 20131.

It is an arithmetic number, because the mean of its divisors is an integer number (60381).

2²⁰¹²⁶⁵ is an apocalyptic number.

It is an amenable number.

201265 is a deficient number, since it is larger than the sum of its proper divisors (40259).

201265 is an equidigital number, since it uses as much as digits as its factorization.

201265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40258.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 201265 is about 448.6256791580. The cubic root of 201265 is about 58.6033918059.

Adding to 201265 its reverse (562102), we get a palindrome (763367).

The spelling of 201265 in words is "two hundred one thousand, two hundred sixty-five".