25326540851701 has 2 divisors, whose sum is σ = 25326540851702. Its totient is φ = 25326540851700.

The previous prime is 25326540851687. The next prime is 25326540851761. The reversal of 25326540851701 is 10715804562352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24540144347601 + 786396504100 = 4953801^2 + 886790^2 .

It is a cyclic number.

It is not a de Polignac number, because 25326540851701 - 2⁹ = 25326540851189 is a prime.

It is a super-2 number, since 2×25326540851701² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25326540851761) 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, 12663270425850 + 12663270425851.

It is an arithmetic number, because the mean of its divisors is an integer number (12663270425851).

Almost surely, 2^{25326540851701} is an apocalyptic number.

It is an amenable number.

25326540851701 is a deficient number, since it is larger than the sum of its proper divisors (1).

25326540851701 is an equidigital number, since it uses as much as digits as its factorization.

25326540851701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 25326540851701 in words is "twenty-five trillion, three hundred twenty-six billion, five hundred forty million, eight hundred fifty-one thousand, seven hundred one".