65219339 has 2 divisors, whose sum is σ = 65219340. Its totient is φ = 65219338.

The previous prime is 65219321. The next prime is 65219353. The reversal of 65219339 is 93391256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65219339 - 2⁸ = 65219083 is a prime.

It is not a weakly prime, because it can be changed into another prime (65219369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32609669 + 32609670.

It is an arithmetic number, because the mean of its divisors is an integer number (32609670).

Almost surely, 2^65219339 is an apocalyptic number.

65219339 is a deficient number, since it is larger than the sum of its proper divisors (1).

65219339 is an equidigital number, since it uses as much as digits as its factorization.

65219339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 38.

The square root of 65219339 is about 8075.8491194425. The cubic root of 65219339 is about 402.5243255234.

It can be divided in two parts, 652 and 19339, that added together give a palindrome (19991).

The spelling of 65219339 in words is "sixty-five million, two hundred nineteen thousand, three hundred thirty-nine".