325800640013 has 2 divisors, whose sum is σ = 325800640014. Its totient is φ = 325800640012.

The previous prime is 325800639971. The next prime is 325800640043. The reversal of 325800640013 is 310046008523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165029312644 + 160771327369 = 406238^2 + 400963^2 .

It is an emirp because it is prime and its reverse (310046008523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325800640013 - 2⁶ = 325800639949 is a prime.

It is a super-2 number, since 2×325800640013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325800640043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162900320006 + 162900320007.

It is an arithmetic number, because the mean of its divisors is an integer number (162900320007).

Almost surely, 2^325800640013 is an apocalyptic number.

It is an amenable number.

325800640013 is a deficient number, since it is larger than the sum of its proper divisors (1).

325800640013 is an equidigital number, since it uses as much as digits as its factorization.

325800640013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 325800640013 its reverse (310046008523), we get a palindrome (635846648536).

The spelling of 325800640013 in words is "three hundred twenty-five billion, eight hundred million, six hundred forty thousand, thirteen".