25268479 has 2 divisors, whose sum is σ = 25268480. Its totient is φ = 25268478.

The previous prime is 25268471. The next prime is 25268527. The reversal of 25268479 is 97486252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25268479 - 2³ = 25268471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25268471) 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, 12634239 + 12634240.

It is an arithmetic number, because the mean of its divisors is an integer number (12634240).

Almost surely, 2^25268479 is an apocalyptic number.

25268479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25268479 is an equidigital number, since it uses as much as digits as its factorization.

25268479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 25268479 is about 5026.7762034927. The cubic root of 25268479 is about 293.4447655434. Note that the first 3 decimals are identical.

The spelling of 25268479 in words is "twenty-five million, two hundred sixty-eight thousand, four hundred seventy-nine".