25703262647201 has 2 divisors, whose sum is σ = 25703262647202. Its totient is φ = 25703262647200.

The previous prime is 25703262647149. The next prime is 25703262647233. The reversal of 25703262647201 is 10274626230752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20663170296976 + 5040092350225 = 4545676^2 + 2245015^2 .

It is a cyclic number.

It is not a de Polignac number, because 25703262647201 - 2⁴² = 21305216136097 is a prime.

It is not a weakly prime, because it can be changed into another prime (25703262647701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12851631323600 + 12851631323601.

It is an arithmetic number, because the mean of its divisors is an integer number (12851631323601).

Almost surely, 2^{25703262647201} is an apocalyptic number.

It is an amenable number.

25703262647201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25703262647201 is an equidigital number, since it uses as much as digits as its factorization.

25703262647201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 47.

Adding to 25703262647201 its reverse (10274626230752), we get a palindrome (35977888877953).

The spelling of 25703262647201 in words is "twenty-five trillion, seven hundred three billion, two hundred sixty-two million, six hundred forty-seven thousand, two hundred one".