25485179 has 2 divisors, whose sum is σ = 25485180. Its totient is φ = 25485178.

The previous prime is 25485169. The next prime is 25485211. The reversal of 25485179 is 97158452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25485179 - 2⁸ = 25484923 is a prime.

It is not a weakly prime, because it can be changed into another prime (25485169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12742589 + 12742590.

It is an arithmetic number, because the mean of its divisors is an integer number (12742590).

Almost surely, 2^25485179 is an apocalyptic number.

25485179 is a deficient number, since it is larger than the sum of its proper divisors (1).

25485179 is an equidigital number, since it uses as much as digits as its factorization.

25485179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 41.

The square root of 25485179 is about 5048.2847582124. The cubic root of 25485179 is about 294.2812301203.

The spelling of 25485179 in words is "twenty-five million, four hundred eighty-five thousand, one hundred seventy-nine".