65381159 has 2 divisors, whose sum is σ = 65381160. Its totient is φ = 65381158.

The previous prime is 65381137. The next prime is 65381177. The reversal of 65381159 is 95118356.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65381159 is a 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 (65381119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690579 + 32690580.

It is an arithmetic number, because the mean of its divisors is an integer number (32690580).

Almost surely, 2^65381159 is an apocalyptic number.

65381159 is a deficient number, since it is larger than the sum of its proper divisors (1).

65381159 is an equidigital number, since it uses as much as digits as its factorization.

65381159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 38.

The square root of 65381159 is about 8085.8616733160. The cubic root of 65381159 is about 402.8569604443.

The spelling of 65381159 in words is "sixty-five million, three hundred eighty-one thousand, one hundred fifty-nine".