25001302554049 has 2 divisors, whose sum is σ = 25001302554050. Its totient is φ = 25001302554048.

The previous prime is 25001302554001. The next prime is 25001302554061. The reversal of 25001302554049 is 94045520310052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18371784757824 + 6629517796225 = 4286232^2 + 2574785^2 .

It is a cyclic number.

It is not a de Polignac number, because 25001302554049 - 2¹⁷ = 25001302422977 is a prime.

It is not a weakly prime, because it can be changed into another prime (25001302554649) 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, 12500651277024 + 12500651277025.

It is an arithmetic number, because the mean of its divisors is an integer number (12500651277025).

Almost surely, 2^{25001302554049} is an apocalyptic number.

It is an amenable number.

25001302554049 is a deficient number, since it is larger than the sum of its proper divisors (1).

25001302554049 is an equidigital number, since it uses as much as digits as its factorization.

25001302554049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 25001302554049 in words is "twenty-five trillion, one billion, three hundred two million, five hundred fifty-four thousand, forty-nine".