25313179541 has 4 divisors (see below), whose sum is σ = 27260347212. Its totient is φ = 23366011872.

The previous prime is 25313179501. The next prime is 25313179547. The reversal of 25313179541 is 14597131352.

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 16125190225 + 9187989316 = 126985^2 + 95854^2 .

It is a cyclic number.

It is not a de Polignac number, because 25313179541 - 2²² = 25308985237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313179547) 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 in 3 ways as a sum of consecutive naturals, for example, 973583816 + ... + 973583841.

It is an arithmetic number, because the mean of its divisors is an integer number (6815086803).

Almost surely, 2^25313179541 is an apocalyptic number.

It is an amenable number.

25313179541 is a deficient number, since it is larger than the sum of its proper divisors (1947167671).

25313179541 is a wasteful number, since it uses less digits than its factorization.

25313179541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947167670.

The product of its digits is 113400, while the sum is 41.

The spelling of 25313179541 in words is "twenty-five billion, three hundred thirteen million, one hundred seventy-nine thousand, five hundred forty-one".