25983571 has 2 divisors, whose sum is σ = 25983572. Its totient is φ = 25983570.

The previous prime is 25983511. The next prime is 25983577. The reversal of 25983571 is 17538952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25983571 - 2⁷ = 25983443 is a prime.

It is not a weakly prime, because it can be changed into another prime (25983577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12991785 + 12991786.

It is an arithmetic number, because the mean of its divisors is an integer number (12991786).

Almost surely, 2^25983571 is an apocalyptic number.

25983571 is a deficient number, since it is larger than the sum of its proper divisors (1).

25983571 is an equidigital number, since it uses as much as digits as its factorization.

25983571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 25983571 is about 5097.4082630294. The cubic root of 25983571 is about 296.1871951703.

The spelling of 25983571 in words is "twenty-five million, nine hundred eighty-three thousand, five hundred seventy-one".