25300041979 has 2 divisors, whose sum is σ = 25300041980. Its totient is φ = 25300041978.

The previous prime is 25300041961. The next prime is 25300042081. The reversal of 25300041979 is 97914000352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25300041979 - 2⁵ = 25300041947 is a prime.

It is not a weakly prime, because it can be changed into another prime (25300041779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650020989 + 12650020990.

It is an arithmetic number, because the mean of its divisors is an integer number (12650020990).

Almost surely, 2^25300041979 is an apocalyptic number.

25300041979 is a deficient number, since it is larger than the sum of its proper divisors (1).

25300041979 is an equidigital number, since it uses as much as digits as its factorization.

25300041979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 25300041979 in words is "twenty-five billion, three hundred million, forty-one thousand, nine hundred seventy-nine".