65525767319 has 2 divisors, whose sum is σ = 65525767320. Its totient is φ = 65525767318.

The previous prime is 65525767261. The next prime is 65525767339. The reversal of 65525767319 is 91376752556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65525767319 - 2⁸ = 65525767063 is a prime.

It is a super-2 number, since 2×65525767319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65525767339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32762883659 + 32762883660.

It is an arithmetic number, because the mean of its divisors is an integer number (32762883660).

Almost surely, 2^65525767319 is an apocalyptic number.

65525767319 is a deficient number, since it is larger than the sum of its proper divisors (1).

65525767319 is an equidigital number, since it uses as much as digits as its factorization.

65525767319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907000, while the sum is 56.

The spelling of 65525767319 in words is "sixty-five billion, five hundred twenty-five million, seven hundred sixty-seven thousand, three hundred nineteen".