25255255229 has 2 divisors, whose sum is σ = 25255255230. Its totient is φ = 25255255228.

The previous prime is 25255255219. The next prime is 25255255307. The reversal of 25255255229 is 92255255252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24648372004 + 606883225 = 156998^2 + 24635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25255255229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25255255229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25255255219) 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, 12627627614 + 12627627615.

It is an arithmetic number, because the mean of its divisors is an integer number (12627627615).

Almost surely, 2^25255255229 is an apocalyptic number.

It is an amenable number.

25255255229 is a deficient number, since it is larger than the sum of its proper divisors (1).

25255255229 is an equidigital number, since it uses as much as digits as its factorization.

25255255229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900000, while the sum is 44.

The spelling of 25255255229 in words is "twenty-five billion, two hundred fifty-five million, two hundred fifty-five thousand, two hundred twenty-nine".