25030822309 has 2 divisors, whose sum is σ = 25030822310. Its totient is φ = 25030822308.

The previous prime is 25030822291. The next prime is 25030822331. The reversal of 25030822309 is 90322803052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23686133409 + 1344688900 = 153903^2 + 36670^2 .

It is a cyclic number.

It is not a de Polignac number, because 25030822309 - 2⁵ = 25030822277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25030822339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515411154 + 12515411155.

It is an arithmetic number, because the mean of its divisors is an integer number (12515411155).

Almost surely, 2^25030822309 is an apocalyptic number.

It is an amenable number.

25030822309 is a deficient number, since it is larger than the sum of its proper divisors (1).

25030822309 is an equidigital number, since it uses as much as digits as its factorization.

25030822309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 25030822309 in words is "twenty-five billion, thirty million, eight hundred twenty-two thousand, three hundred nine".