265257241 has 2 divisors, whose sum is σ = 265257242. Its totient is φ = 265257240.

The previous prime is 265257227. The next prime is 265257259. The reversal of 265257241 is 142752562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144696841 + 120560400 = 12029^2 + 10980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265257241 is a prime.

It is a super-2 number, since 2×265257241² = 140722807805864162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265257197 and 265257206.

It is not a weakly prime, because it can be changed into another prime (265257211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132628620 + 132628621.

It is an arithmetic number, because the mean of its divisors is an integer number (132628621).

Almost surely, 2^265257241 is an apocalyptic number.

It is an amenable number.

265257241 is a deficient number, since it is larger than the sum of its proper divisors (1).

265257241 is an equidigital number, since it uses as much as digits as its factorization.

265257241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 265257241 is about 16286.7197740982. The cubic root of 265257241 is about 642.5235980775.

The spelling of 265257241 in words is "two hundred sixty-five million, two hundred fifty-seven thousand, two hundred forty-one".