25052473702145 has 4 divisors (see below), whose sum is σ = 30062968442580. Its totient is φ = 20041978961712.

The previous prime is 25052473702129. The next prime is 25052473702183. The reversal of 25052473702145 is 54120737425052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16992104133904 + 8060369568241 = 4122148^2 + 2839079^2 .

It is a cyclic number.

It is not a de Polignac number, because 25052473702145 - 2⁴ = 25052473702129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25052473702145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505247370210 + ... + 2505247370219.

It is an arithmetic number, because the mean of its divisors is an integer number (7515742110645).

Almost surely, 2^{25052473702145} is an apocalyptic number.

It is an amenable number.

25052473702145 is a deficient number, since it is larger than the sum of its proper divisors (5010494740435).

25052473702145 is an equidigital number, since it uses as much as digits as its factorization.

25052473702145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010494740434.

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 25052473702145 in words is "twenty-five trillion, fifty-two billion, four hundred seventy-three million, seven hundred two thousand, one hundred forty-five".