265250602697 has 2 divisors, whose sum is σ = 265250602698. Its totient is φ = 265250602696.

The previous prime is 265250602667. The next prime is 265250602711. The reversal of 265250602697 is 796206052562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230727476281 + 34523126416 = 480341^2 + 185804^2 .

It is a cyclic number.

It is not a de Polignac number, because 265250602697 - 2¹² = 265250598601 is a prime.

It is a super-2 number, since 2×265250602697² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (265250602657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132625301348 + 132625301349.

It is an arithmetic number, because the mean of its divisors is an integer number (132625301349).

Almost surely, 2^265250602697 is an apocalyptic number.

It is an amenable number.

265250602697 is a deficient number, since it is larger than the sum of its proper divisors (1).

265250602697 is an equidigital number, since it uses as much as digits as its factorization.

265250602697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 265250602697 in words is "two hundred sixty-five billion, two hundred fifty million, six hundred two thousand, six hundred ninety-seven".