25002105134239 has 2 divisors, whose sum is σ = 25002105134240. Its totient is φ = 25002105134238.

The previous prime is 25002105134159. The next prime is 25002105134243. The reversal of 25002105134239 is 93243150120052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25002105134239 - 2²⁷ = 25001970916511 is a prime.

It is a super-2 number, since 2×25002105134239² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25002105134198 and 25002105134207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25002105134939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501052567119 + 12501052567120.

It is an arithmetic number, because the mean of its divisors is an integer number (12501052567120).

Almost surely, 2^{25002105134239} is an apocalyptic number.

25002105134239 is a deficient number, since it is larger than the sum of its proper divisors (1).

25002105134239 is an equidigital number, since it uses as much as digits as its factorization.

25002105134239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 25002105134239 in words is "twenty-five trillion, two billion, one hundred five million, one hundred thirty-four thousand, two hundred thirty-nine".