265272241 has 4 divisors (see below), whose sum is σ = 285677812. Its totient is φ = 244866672.

The previous prime is 265272209. The next prime is 265272247. The reversal of 265272241 is 142272562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142272562 = 2 ⋅71136281.

It can be written as a sum of positive squares in 2 ways, for example, as 120912016 + 144360225 = 10996^2 + 12015^2 .

It is a cyclic number.

It is not a de Polignac number, because 265272241 - 2⁵ = 265272209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265272247) 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, 10202766 + ... + 10202791.

It is an arithmetic number, because the mean of its divisors is an integer number (71419453).

Almost surely, 2^265272241 is an apocalyptic number.

It is an amenable number.

265272241 is a deficient number, since it is larger than the sum of its proper divisors (20405571).

265272241 is a wasteful number, since it uses less digits than its factorization.

265272241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20405570.

The product of its digits is 13440, while the sum is 31.

The square root of 265272241 is about 16287.1802654726. The cubic root of 265272241 is about 642.5357091792.

The spelling of 265272241 in words is "two hundred sixty-five million, two hundred seventy-two thousand, two hundred forty-one".