25252525252243 has 2 divisors, whose sum is σ = 25252525252244. Its totient is φ = 25252525252242.

The previous prime is 25252525252237. The next prime is 25252525252247. The reversal of 25252525252243 is 34225252525252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25252525252243 - 2²⁹ = 25251988381331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25252525252193 and 25252525252202.

It is not a weakly prime, because it can be changed into another prime (25252525252247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626262626121 + 12626262626122.

It is an arithmetic number, because the mean of its divisors is an integer number (12626262626122).

Almost surely, 2^{25252525252243} is an apocalyptic number.

25252525252243 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252525252243 is an equidigital number, since it uses as much as digits as its factorization.

25252525252243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800000, while the sum is 46.

Adding to 25252525252243 its reverse (34225252525252), we get a palindrome (59477777777495).

The spelling of 25252525252243 in words is "twenty-five trillion, two hundred fifty-two billion, five hundred twenty-five million, two hundred fifty-two thousand, two hundred forty-three".