25025454254279 has 2 divisors, whose sum is σ = 25025454254280. Its totient is φ = 25025454254278.

The previous prime is 25025454254159. The next prime is 25025454254303. The reversal of 25025454254279 is 97245245452052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25025454254279 - 2¹⁶ = 25025454188743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025454454279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512727127139 + 12512727127140.

It is an arithmetic number, because the mean of its divisors is an integer number (12512727127140).

Almost surely, 2^{25025454254279} is an apocalyptic number.

25025454254279 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025454254279 is an equidigital number, since it uses as much as digits as its factorization.

25025454254279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320000, while the sum is 56.

The spelling of 25025454254279 in words is "twenty-five trillion, twenty-five billion, four hundred fifty-four million, two hundred fifty-four thousand, two hundred seventy-nine".