25252475475473 has 2 divisors, whose sum is σ = 25252475475474. Its totient is φ = 25252475475472.

The previous prime is 25252475475443. The next prime is 25252475475529. The reversal of 25252475475473 is 37457457425252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23396104650304 + 1856370825169 = 4836952^2 + 1362487^2 .

It is a cyclic number.

It is not a de Polignac number, because 25252475475473 - 2²⁰ = 25252474426897 is a prime.

It is not a weakly prime, because it can be changed into another prime (25252475475443) 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, 12626237737736 + 12626237737737.

It is an arithmetic number, because the mean of its divisors is an integer number (12626237737737).

Almost surely, 2^{25252475475473} is an apocalyptic number.

It is an amenable number.

25252475475473 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252475475473 is an equidigital number, since it uses as much as digits as its factorization.

25252475475473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280000, while the sum is 62.

The spelling of 25252475475473 in words is "twenty-five trillion, two hundred fifty-two billion, four hundred seventy-five million, four hundred seventy-five thousand, four hundred seventy-three".