265841 has 2 divisors, whose sum is σ = 265842. Its totient is φ = 265840.

The previous prime is 265831. The next prime is 265847. The reversal of 265841 is 148562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 10816 = 505^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 265841 - 2¹⁸ = 3697 is a prime.

It is a plaindrome in base 3 and base 9.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 265841.

It is not a weakly prime, because it can be changed into another prime (265847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132920 + 132921.

It is an arithmetic number, because the mean of its divisors is an integer number (132921).

2²⁶⁵⁸⁴¹ is an apocalyptic number.

It is an amenable number.

265841 is a deficient number, since it is larger than the sum of its proper divisors (1).

265841 is an equidigital number, since it uses as much as digits as its factorization.

265841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 265841 is about 515.5977113991. The cubic root of 265841 is about 64.2994592597.

The spelling of 265841 in words is "two hundred sixty-five thousand, eight hundred forty-one".