25003540841 has 2 divisors, whose sum is σ = 25003540842. Its totient is φ = 25003540840.

The previous prime is 25003540811. The next prime is 25003540853. The reversal of 25003540841 is 14804530052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23617542400 + 1385998441 = 153680^2 + 37229^2 .

It is a cyclic number.

It is not a de Polignac number, because 25003540841 - 2¹⁰ = 25003539817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25003540798 and 25003540807.

It is not a weakly prime, because it can be changed into another prime (25003540811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501770420 + 12501770421.

It is an arithmetic number, because the mean of its divisors is an integer number (12501770421).

Almost surely, 2^25003540841 is an apocalyptic number.

It is an amenable number.

25003540841 is a deficient number, since it is larger than the sum of its proper divisors (1).

25003540841 is an equidigital number, since it uses as much as digits as its factorization.

25003540841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 25003540841 in words is "twenty-five billion, three million, five hundred forty thousand, eight hundred forty-one".