25325588552321 has 2 divisors, whose sum is σ = 25325588552322. Its totient is φ = 25325588552320.

The previous prime is 25325588552293. The next prime is 25325588552359. The reversal of 25325588552321 is 12325588552352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22713612174400 + 2611976377921 = 4765880^2 + 1616161^2 .

It is a cyclic number.

It is not a de Polignac number, because 25325588552321 - 2¹⁰ = 25325588551297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25325588552371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12662794276160 + 12662794276161.

It is an arithmetic number, because the mean of its divisors is an integer number (12662794276161).

Almost surely, 2^{25325588552321} is an apocalyptic number.

It is an amenable number.

25325588552321 is a deficient number, since it is larger than the sum of its proper divisors (1).

25325588552321 is an equidigital number, since it uses as much as digits as its factorization.

25325588552321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800000, while the sum is 56.

The spelling of 25325588552321 in words is "twenty-five trillion, three hundred twenty-five billion, five hundred eighty-eight million, five hundred fifty-two thousand, three hundred twenty-one".