265085297 has 2 divisors, whose sum is σ = 265085298. Its totient is φ = 265085296.

The previous prime is 265085291. The next prime is 265085339. The reversal of 265085297 is 792580562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244328161 + 20757136 = 15631^2 + 4556^2 .

It is a cyclic number.

It is not a de Polignac number, because 265085297 - 2¹⁶ = 265019761 is a prime.

It is not a weakly prime, because it can be changed into another prime (265085291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132542648 + 132542649.

It is an arithmetic number, because the mean of its divisors is an integer number (132542649).

Almost surely, 2^265085297 is an apocalyptic number.

It is an amenable number.

265085297 is a deficient number, since it is larger than the sum of its proper divisors (1).

265085297 is an equidigital number, since it uses as much as digits as its factorization.

265085297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 265085297 is about 16281.4402618442. The cubic root of 265085297 is about 642.3847367003.

The spelling of 265085297 in words is "two hundred sixty-five million, eighty-five thousand, two hundred ninety-seven".