25188479 has 2 divisors, whose sum is σ = 25188480. Its totient is φ = 25188478.

The previous prime is 25188467. The next prime is 25188481. The reversal of 25188479 is 97488152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25188479 - 2¹⁶ = 25122943 is a prime.

Together with 25188481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25188179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12594239 + 12594240.

It is an arithmetic number, because the mean of its divisors is an integer number (12594240).

Almost surely, 2^25188479 is an apocalyptic number.

25188479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25188479 is an equidigital number, since it uses as much as digits as its factorization.

25188479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 44.

The square root of 25188479 is about 5018.8125089507. The cubic root of 25188479 is about 293.1347561245.

The spelling of 25188479 in words is "twenty-five million, one hundred eighty-eight thousand, four hundred seventy-nine".