25650684313 has 2 divisors, whose sum is σ = 25650684314. Its totient is φ = 25650684312.

The previous prime is 25650684221. The next prime is 25650684331. The reversal of 25650684313 is 31348605652.

Together with next prime (25650684331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20383843984 + 5266840329 = 142772^2 + 72573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25650684313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25650684313.

It is not a weakly prime, because it can be changed into another prime (25650684383) 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, 12825342156 + 12825342157.

It is an arithmetic number, because the mean of its divisors is an integer number (12825342157).

Almost surely, 2^25650684313 is an apocalyptic number.

It is an amenable number.

25650684313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25650684313 is an equidigital number, since it uses as much as digits as its factorization.

25650684313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 25650684313 in words is "twenty-five billion, six hundred fifty million, six hundred eighty-four thousand, three hundred thirteen".