25802954241 has 4 divisors (see below), whose sum is σ = 34403938992. Its totient is φ = 17201969492.

The previous prime is 25802954183. The next prime is 25802954249. The reversal of 25802954241 is 14245920852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25802954241 - 2¹¹ = 25802952193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25802954193 and 25802954202.

It is not an unprimeable number, because it can be changed into a prime (25802954249) 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, 4300492371 + ... + 4300492376.

It is an arithmetic number, because the mean of its divisors is an integer number (8600984748).

Almost surely, 2^25802954241 is an apocalyptic number.

It is an amenable number.

25802954241 is a deficient number, since it is larger than the sum of its proper divisors (8600984751).

25802954241 is an equidigital number, since it uses as much as digits as its factorization.

25802954241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600984750.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 25802954241 in words is "twenty-five billion, eight hundred two million, nine hundred fifty-four thousand, two hundred forty-one".