25166879 has 2 divisors, whose sum is σ = 25166880. Its totient is φ = 25166878.

The previous prime is 25166837. The next prime is 25166893. The reversal of 25166879 is 97866152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25166879 - 2¹⁶ = 25101343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25166819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12583439 + 12583440.

It is an arithmetic number, because the mean of its divisors is an integer number (12583440).

Almost surely, 2^25166879 is an apocalyptic number.

25166879 is a deficient number, since it is larger than the sum of its proper divisors (1).

25166879 is an equidigital number, since it uses as much as digits as its factorization.

25166879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 25166879 is about 5016.6601439603. The cubic root of 25166879 is about 293.0509410666.

The spelling of 25166879 in words is "twenty-five million, one hundred sixty-six thousand, eight hundred seventy-nine".