25306426043 has 2 divisors, whose sum is σ = 25306426044. Its totient is φ = 25306426042.

The previous prime is 25306426027. The next prime is 25306426063. The reversal of 25306426043 is 34062460352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25306426043 - 2⁴ = 25306426027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25306425994 and 25306426012.

It is not a weakly prime, because it can be changed into another prime (25306426003) 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, 12653213021 + 12653213022.

It is an arithmetic number, because the mean of its divisors is an integer number (12653213022).

Almost surely, 2^25306426043 is an apocalyptic number.

25306426043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25306426043 is an equidigital number, since it uses as much as digits as its factorization.

25306426043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 25306426043 its reverse (34062460352), we get a palindrome (59368886395).

The spelling of 25306426043 in words is "twenty-five billion, three hundred six million, four hundred twenty-six thousand, forty-three".