25852260662479 has 2 divisors, whose sum is σ = 25852260662480. Its totient is φ = 25852260662478.

The previous prime is 25852260662377. The next prime is 25852260662483. The reversal of 25852260662479 is 97426606225852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25852260662479 - 2⁴¹ = 23653237406927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25852260662479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25852260663479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926130331239 + 12926130331240.

It is an arithmetic number, because the mean of its divisors is an integer number (12926130331240).

Almost surely, 2^{25852260662479} is an apocalyptic number.

25852260662479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25852260662479 is an equidigital number, since it uses as much as digits as its factorization.

25852260662479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174182400, while the sum is 64.

The spelling of 25852260662479 in words is "twenty-five trillion, eight hundred fifty-two billion, two hundred sixty million, six hundred sixty-two thousand, four hundred seventy-nine".