265201 has 4 divisors (see below), whose sum is σ = 266992. Its totient is φ = 263412.

The previous prime is 265193. The next prime is 265207. The reversal of 265201 is 102562.

It is a happy number.

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 265201 - 2³ = 265193 is a prime.

It is a Duffinian number.

265201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (265207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651 + ... + 976.

It is an arithmetic number, because the mean of its divisors is an integer number (66748).

2²⁶⁵²⁰¹ is an apocalyptic number.

265201 is the 326-th heptagonal number.

It is an amenable number.

265201 is a deficient number, since it is larger than the sum of its proper divisors (1791).

265201 is a wasteful number, since it uses less digits than its factorization.

265201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

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

The square root of 265201 is about 514.9766985020. The cubic root of 265201 is about 64.2478184647.

Adding to 265201 its reverse (102562), we get a palindrome (367763).

The spelling of 265201 in words is "two hundred sixty-five thousand, two hundred one".