265297541 has 2 divisors, whose sum is σ = 265297542. Its totient is φ = 265297540.

The previous prime is 265297531. The next prime is 265297547. The reversal of 265297541 is 145792562.

265297541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260144641 + 5152900 = 16129^2 + 2270^2 .

It is a cyclic number.

It is not a de Polignac number, because 265297541 - 2⁶ = 265297477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265297547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132648770 + 132648771.

It is an arithmetic number, because the mean of its divisors is an integer number (132648771).

Almost surely, 2^265297541 is an apocalyptic number.

It is an amenable number.

265297541 is a deficient number, since it is larger than the sum of its proper divisors (1).

265297541 is an equidigital number, since it uses as much as digits as its factorization.

265297541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 265297541 is about 16287.9569314264. The cubic root of 265297541 is about 642.5561355365.

The spelling of 265297541 in words is "two hundred sixty-five million, two hundred ninety-seven thousand, five hundred forty-one".