25340913525731 has 2 divisors, whose sum is σ = 25340913525732. Its totient is φ = 25340913525730.

The previous prime is 25340913525701. The next prime is 25340913525737. The reversal of 25340913525731 is 13752531904352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25340913525731 - 2¹⁸ = 25340913263587 is a prime.

It is a super-3 number, since 3×25340913525731³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25340913525731.

It is not a weakly prime, because it can be changed into another prime (25340913525737) 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, 12670456762865 + 12670456762866.

It is an arithmetic number, because the mean of its divisors is an integer number (12670456762866).

Almost surely, 2^{25340913525731} is an apocalyptic number.

25340913525731 is a deficient number, since it is larger than the sum of its proper divisors (1).

25340913525731 is an equidigital number, since it uses as much as digits as its factorization.

25340913525731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 25340913525731 in words is "twenty-five trillion, three hundred forty billion, nine hundred thirteen million, five hundred twenty-five thousand, seven hundred thirty-one".