25353303122009 has 2 divisors, whose sum is σ = 25353303122010. Its totient is φ = 25353303122008.

The previous prime is 25353303121931. The next prime is 25353303122047. The reversal of 25353303122009 is 90022130335352.

It is an a-pointer prime, because the next prime (25353303122047) can be obtained adding 25353303122009 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22581171361225 + 2772131760784 = 4751965^2 + 1664972^2 .

It is a cyclic number.

It is not a de Polignac number, because 25353303122009 - 2²⁰ = 25353302073433 is a prime.

It is not a weakly prime, because it can be changed into another prime (25353303122099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12676651561004 + 12676651561005.

It is an arithmetic number, because the mean of its divisors is an integer number (12676651561005).

Almost surely, 2^{25353303122009} is an apocalyptic number.

It is an amenable number.

25353303122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

25353303122009 is an equidigital number, since it uses as much as digits as its factorization.

25353303122009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 38.

The spelling of 25353303122009 in words is "twenty-five trillion, three hundred fifty-three billion, three hundred three million, one hundred twenty-two thousand, nine".