25340538052801 has 4 divisors (see below), whose sum is σ = 25347261468100. Its totient is φ = 25333814637504.

The previous prime is 25340538052763. The next prime is 25340538052853. The reversal of 25340538052801 is 10825083504352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18162291452176 + 7178246600625 = 4261724^2 + 2679225^2 .

It is a cyclic number.

It is not a de Polignac number, because 25340538052801 - 2⁹ = 25340538052289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25340538052861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361701996 + ... + 3361709533.

It is an arithmetic number, because the mean of its divisors is an integer number (6336815367025).

Almost surely, 2^{25340538052801} is an apocalyptic number.

It is an amenable number.

25340538052801 is a deficient number, since it is larger than the sum of its proper divisors (6723415299).

25340538052801 is an equidigital number, since it uses as much as digits as its factorization.

25340538052801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723415298.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 25340538052801 in words is "twenty-five trillion, three hundred forty billion, five hundred thirty-eight million, fifty-two thousand, eight hundred one".