25004299273 has 2 divisors, whose sum is σ = 25004299274. Its totient is φ = 25004299272.

The previous prime is 25004299247. The next prime is 25004299279. The reversal of 25004299273 is 37299240052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22622566464 + 2381732809 = 150408^2 + 48803^2 .

It is a cyclic number.

It is not a de Polignac number, because 25004299273 - 2⁵ = 25004299241 is a prime.

It is not a weakly prime, because it can be changed into another prime (25004299279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502149636 + 12502149637.

It is an arithmetic number, because the mean of its divisors is an integer number (12502149637).

Almost surely, 2^25004299273 is an apocalyptic number.

It is an amenable number.

25004299273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25004299273 is an equidigital number, since it uses as much as digits as its factorization.

25004299273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 25004299273 in words is "twenty-five billion, four million, two hundred ninety-nine thousand, two hundred seventy-three".