25313305021201 has 2 divisors, whose sum is σ = 25313305021202. Its totient is φ = 25313305021200.

The previous prime is 25313305021063. The next prime is 25313305021223. The reversal of 25313305021201 is 10212050331352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20465716449025 + 4847588572176 = 4523905^2 + 2201724^2 .

It is a cyclic number.

It is not a de Polignac number, because 25313305021201 - 2¹¹ = 25313305019153 is a prime.

It is a super-2 number, since 2×25313305021201² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25313305021201.

It is not a weakly prime, because it can be changed into another prime (25319305021201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12656652510600 + 12656652510601.

It is an arithmetic number, because the mean of its divisors is an integer number (12656652510601).

Almost surely, 2^{25313305021201} is an apocalyptic number.

It is an amenable number.

25313305021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25313305021201 is an equidigital number, since it uses as much as digits as its factorization.

25313305021201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 25313305021201 its reverse (10212050331352), we get a palindrome (35525355352553).

The spelling of 25313305021201 in words is "twenty-five trillion, three hundred thirteen billion, three hundred five million, twenty-one thousand, two hundred one".