25326571 has 2 divisors, whose sum is σ = 25326572. Its totient is φ = 25326570.

The previous prime is 25326569. The next prime is 25326589. The reversal of 25326571 is 17562352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25326571 - 2¹ = 25326569 is a prime.

Together with 25326569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25326671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12663285 + 12663286.

It is an arithmetic number, because the mean of its divisors is an integer number (12663286).

Almost surely, 2^25326571 is an apocalyptic number.

25326571 is a deficient number, since it is larger than the sum of its proper divisors (1).

25326571 is an equidigital number, since it uses as much as digits as its factorization.

25326571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 25326571 is about 5032.5511423134. The cubic root of 25326571 is about 293.6694690367.

The spelling of 25326571 in words is "twenty-five million, three hundred twenty-six thousand, five hundred seventy-one".