325313140021 has 2 divisors, whose sum is σ = 325313140022. Its totient is φ = 325313140020.

The previous prime is 325313140001. The next prime is 325313140027. The reversal of 325313140021 is 120041313523.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233979233796 + 91333906225 = 483714^2 + 302215^2 .

It is an emirp because it is prime and its reverse (120041313523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325313140021 - 2⁹ = 325313139509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325313140027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162656570010 + 162656570011.

It is an arithmetic number, because the mean of its divisors is an integer number (162656570011).

Almost surely, 2^325313140021 is an apocalyptic number.

It is an amenable number.

325313140021 is a deficient number, since it is larger than the sum of its proper divisors (1).

325313140021 is an equidigital number, since it uses as much as digits as its factorization.

325313140021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 325313140021 its reverse (120041313523), we get a palindrome (445354453544).

The spelling of 325313140021 in words is "three hundred twenty-five billion, three hundred thirteen million, one hundred forty thousand, twenty-one".