25220323253 has 2 divisors, whose sum is σ = 25220323254. Its totient is φ = 25220323252.

The previous prime is 25220323241. The next prime is 25220323273. The reversal of 25220323253 is 35232302252.

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., 24313229329 + 907093924 = 155927^2 + 30118^2 .

It is a cyclic number.

It is not a de Polignac number, because 25220323253 - 2⁴ = 25220323237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25220323273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12610161626 + 12610161627.

It is an arithmetic number, because the mean of its divisors is an integer number (12610161627).

Almost surely, 2^25220323253 is an apocalyptic number.

It is an amenable number.

25220323253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25220323253 is an equidigital number, since it uses as much as digits as its factorization.

25220323253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 29.

The spelling of 25220323253 in words is "twenty-five billion, two hundred twenty million, three hundred twenty-three thousand, two hundred fifty-three".