25004299247 has 2 divisors, whose sum is σ = 25004299248. Its totient is φ = 25004299246.

The previous prime is 25004299241. The next prime is 25004299273. The reversal of 25004299247 is 74299240052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25004299247 - 2⁶ = 25004299183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25004299198 and 25004299207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25004299241) 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, 12502149623 + 12502149624.

It is an arithmetic number, because the mean of its divisors is an integer number (12502149624).

Almost surely, 2^25004299247 is an apocalyptic number.

25004299247 is a deficient number, since it is larger than the sum of its proper divisors (1).

25004299247 is an equidigital number, since it uses as much as digits as its factorization.

25004299247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 25004299247 in words is "twenty-five billion, four million, two hundred ninety-nine thousand, two hundred forty-seven".