65505119 has 2 divisors, whose sum is σ = 65505120. Its totient is φ = 65505118.

The previous prime is 65505107. The next prime is 65505149. The reversal of 65505119 is 91150556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65505119 - 2²⁰ = 64456543 is a prime.

It is a super-2 number, since 2×65505119² = 8581841230408322, which contains 22 as substring.

It is a Sophie Germain 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 (65505149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32752559 + 32752560.

It is an arithmetic number, because the mean of its divisors is an integer number (32752560).

Almost surely, 2^65505119 is an apocalyptic number.

65505119 is a deficient number, since it is larger than the sum of its proper divisors (1).

65505119 is an equidigital number, since it uses as much as digits as its factorization.

65505119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 65505119 is about 8093.5232748167. The cubic root of 65505119 is about 403.1113998096. Note that the first 3 decimals are identical.

The spelling of 65505119 in words is "sixty-five million, five hundred five thousand, one hundred nineteen".