65791441 has 2 divisors, whose sum is σ = 65791442. Its totient is φ = 65791440.

The previous prime is 65791409. The next prime is 65791457. The reversal of 65791441 is 14419756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55577025 + 10214416 = 7455^2 + 3196^2 .

It is a cyclic number.

It is not a de Polignac number, because 65791441 - 2⁵ = 65791409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65791441.

It is not a weakly prime, because it can be changed into another prime (65791541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32895720 + 32895721.

It is an arithmetic number, because the mean of its divisors is an integer number (32895721).

Almost surely, 2^65791441 is an apocalyptic number.

It is an amenable number.

65791441 is a deficient number, since it is larger than the sum of its proper divisors (1).

65791441 is an equidigital number, since it uses as much as digits as its factorization.

65791441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 65791441 is about 8111.1923291215. The cubic root of 65791441 is about 403.6978776565.

The spelling of 65791441 in words is "sixty-five million, seven hundred ninety-one thousand, four hundred forty-one".