25864151 has 2 divisors, whose sum is σ = 25864152. Its totient is φ = 25864150.

The previous prime is 25864141. The next prime is 25864171. The reversal of 25864151 is 15146852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25864151 - 2⁶ = 25864087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25864141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12932075 + 12932076.

It is an arithmetic number, because the mean of its divisors is an integer number (12932076).

Almost surely, 2^25864151 is an apocalyptic number.

25864151 is a deficient number, since it is larger than the sum of its proper divisors (1).

25864151 is an equidigital number, since it uses as much as digits as its factorization.

25864151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 32.

The square root of 25864151 is about 5085.6809770177. The cubic root of 25864151 is about 295.7327413248.

The spelling of 25864151 in words is "twenty-five million, eight hundred sixty-four thousand, one hundred fifty-one".