65321441 has 2 divisors, whose sum is σ = 65321442. Its totient is φ = 65321440.

The previous prime is 65321413. The next prime is 65321471. The reversal of 65321441 is 14412356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 22287841 = 6560^2 + 4721^2 .

It is a cyclic number.

It is not a de Polignac number, because 65321441 - 2²² = 61127137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65321441.

It is not a weakly prime, because it can be changed into another prime (65321401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32660720 + 32660721.

It is an arithmetic number, because the mean of its divisors is an integer number (32660721).

Almost surely, 2^65321441 is an apocalyptic number.

It is an amenable number.

65321441 is a deficient number, since it is larger than the sum of its proper divisors (1).

65321441 is an equidigital number, since it uses as much as digits as its factorization.

65321441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 65321441 is about 8082.1680878339. The cubic root of 65321441 is about 402.7342689294.

Adding to 65321441 its reverse (14412356), we get a palindrome (79733797).

The spelling of 65321441 in words is "sixty-five million, three hundred twenty-one thousand, four hundred forty-one".