65381119 has 2 divisors, whose sum is σ = 65381120. Its totient is φ = 65381118.

The previous prime is 65381117. The next prime is 65381137. The reversal of 65381119 is 91118356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65381119 - 2¹ = 65381117 is a prime.

It is a super-2 number, since 2×65381119² = 8549381443384322, which contains 22 as substring.

Together with 65381117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65381117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690559 + 32690560.

It is an arithmetic number, because the mean of its divisors is an integer number (32690560).

Almost surely, 2^65381119 is an apocalyptic number.

65381119 is a deficient number, since it is larger than the sum of its proper divisors (1).

65381119 is an equidigital number, since it uses as much as digits as its factorization.

65381119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 34.

The square root of 65381119 is about 8085.8591998624. The cubic root of 65381119 is about 402.8568782887.

The spelling of 65381119 in words is "sixty-five million, three hundred eighty-one thousand, one hundred nineteen".