65025712573 has 2 divisors, whose sum is σ = 65025712574. Its totient is φ = 65025712572.

The previous prime is 65025712559. The next prime is 65025712649. The reversal of 65025712573 is 37521752056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56016475684 + 9009236889 = 236678^2 + 94917^2 .

It is a cyclic number.

It is not a de Polignac number, because 65025712573 - 2²¹ = 65023615421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65025712513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32512856286 + 32512856287.

It is an arithmetic number, because the mean of its divisors is an integer number (32512856287).

Almost surely, 2^65025712573 is an apocalyptic number.

It is an amenable number.

65025712573 is a deficient number, since it is larger than the sum of its proper divisors (1).

65025712573 is an equidigital number, since it uses as much as digits as its factorization.

65025712573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 65025712573 in words is "sixty-five billion, twenty-five million, seven hundred twelve thousand, five hundred seventy-three".