265005841 has 9 divisors (see below), whose sum is σ = 269896059. Its totient is φ = 260203536.

The previous prime is 265005833. The next prime is 265005893. The reversal of 265005841 is 148500562.

The square root of 265005841 is 16279.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 150430225 + 114575616 = 12265^2 + 10704^2 .

It is not a de Polignac number, because 265005841 - 2³ = 265005833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265005341) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1188256 + ... + 1188478.

It is an arithmetic number, because the mean of its divisors is an integer number (29988451).

Almost surely, 2^265005841 is an apocalyptic number.

265005841 is the 16279-th square number.

265005841 is the 8140-th centered octagonal number.

It is an amenable number.

265005841 is a deficient number, since it is larger than the sum of its proper divisors (4890218).

265005841 is an frugal number, since it uses more digits than its factorization.

265005841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The cubic root of 265005841 is about 642.3205480250.

The spelling of 265005841 in words is "two hundred sixty-five million, five thousand, eight hundred forty-one".