25304136203 has 2 divisors, whose sum is σ = 25304136204. Its totient is φ = 25304136202.

The previous prime is 25304136199. The next prime is 25304136223. The reversal of 25304136203 is 30263140352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25304136203 - 2² = 25304136199 is a prime.

It is not a weakly prime, because it can be changed into another prime (25304136223) 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, 12652068101 + 12652068102.

It is an arithmetic number, because the mean of its divisors is an integer number (12652068102).

Almost surely, 2^25304136203 is an apocalyptic number.

25304136203 is a deficient number, since it is larger than the sum of its proper divisors (1).

25304136203 is an equidigital number, since it uses as much as digits as its factorization.

25304136203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 25304136203 its reverse (30263140352), we get a palindrome (55567276555).

The spelling of 25304136203 in words is "twenty-five billion, three hundred four million, one hundred thirty-six thousand, two hundred three".