25613262043 has 2 divisors, whose sum is σ = 25613262044. Its totient is φ = 25613262042.

The previous prime is 25613262011. The next prime is 25613262049. The reversal of 25613262043 is 34026231652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25613262043 - 2⁵ = 25613262011 is a prime.

It is not a weakly prime, because it can be changed into another prime (25613262049) 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, 12806631021 + 12806631022.

It is an arithmetic number, because the mean of its divisors is an integer number (12806631022).

Almost surely, 2^25613262043 is an apocalyptic number.

25613262043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25613262043 is an equidigital number, since it uses as much as digits as its factorization.

25613262043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 25613262043 its reverse (34026231652), we get a palindrome (59639493695).

The spelling of 25613262043 in words is "twenty-five billion, six hundred thirteen million, two hundred sixty-two thousand, forty-three".