25268426171 has 2 divisors, whose sum is σ = 25268426172. Its totient is φ = 25268426170.

The previous prime is 25268426159. The next prime is 25268426201. The reversal of 25268426171 is 17162486252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25268426171 - 2¹⁴ = 25268409787 is a prime.

It is a super-2 number, since 2×25268426171² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25268426101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634213085 + 12634213086.

It is an arithmetic number, because the mean of its divisors is an integer number (12634213086).

Almost surely, 2^25268426171 is an apocalyptic number.

25268426171 is a deficient number, since it is larger than the sum of its proper divisors (1).

25268426171 is an equidigital number, since it uses as much as digits as its factorization.

25268426171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The spelling of 25268426171 in words is "twenty-five billion, two hundred sixty-eight million, four hundred twenty-six thousand, one hundred seventy-one".