65252122314621 has 16 divisors (see below), whose sum is σ = 94912525258560. Its totient is φ = 39546596069120.

The previous prime is 65252122314619. The next prime is 65252122314683. The reversal of 65252122314621 is 12641322125256.

It is a cyclic number.

It is not a de Polignac number, because 65252122314621 - 2¹ = 65252122314619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65252122314611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5910181 + ... + 12862133.

It is an arithmetic number, because the mean of its divisors is an integer number (5932032828660).

Almost surely, 2^{65252122314621} is an apocalyptic number.

It is an amenable number.

65252122314621 is a deficient number, since it is larger than the sum of its proper divisors (29660402943939).

65252122314621 is a wasteful number, since it uses less digits than its factorization.

65252122314621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236396.

The product of its digits is 345600, while the sum is 42.

Adding to 65252122314621 its reverse (12641322125256), we get a palindrome (77893444439877).

The spelling of 65252122314621 in words is "sixty-five trillion, two hundred fifty-two billion, one hundred twenty-two million, three hundred fourteen thousand, six hundred twenty-one".