65312441 has 2 divisors, whose sum is σ = 65312442. Its totient is φ = 65312440.

The previous prime is 65312431. The next prime is 65312449. The reversal of 65312441 is 14421356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62473216 + 2839225 = 7904^2 + 1685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65312441 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65312441.

It is not a weakly prime, because it can be changed into another prime (65312449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32656220 + 32656221.

It is an arithmetic number, because the mean of its divisors is an integer number (32656221).

Almost surely, 2^65312441 is an apocalyptic number.

It is an amenable number.

65312441 is a deficient number, since it is larger than the sum of its proper divisors (1).

65312441 is an equidigital number, since it uses as much as digits as its factorization.

65312441 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 65312441 is about 8081.6112873610. The cubic root of 65312441 is about 402.7157718129.

Adding to 65312441 its reverse (14421356), we get a palindrome (79733797).

The spelling of 65312441 in words is "sixty-five million, three hundred twelve thousand, four hundred forty-one".