25304112019 has 2 divisors, whose sum is σ = 25304112020. Its totient is φ = 25304112018.

The previous prime is 25304111999. The next prime is 25304112037. The reversal of 25304112019 is 91021140352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25304112019 - 2⁷ = 25304111891 is a prime.

It is a super-2 number, since 2×25304112019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25304112059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652056009 + 12652056010.

It is an arithmetic number, because the mean of its divisors is an integer number (12652056010).

Almost surely, 2^25304112019 is an apocalyptic number.

25304112019 is a deficient number, since it is larger than the sum of its proper divisors (1).

25304112019 is an equidigital number, since it uses as much as digits as its factorization.

25304112019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 25304112019 in words is "twenty-five billion, three hundred four million, one hundred twelve thousand, nineteen".