25006534441 has 8 divisors (see below), whose sum is σ = 28581528384. Its totient is φ = 21432198480.

The previous prime is 25006534411. The next prime is 25006534447. The reversal of 25006534441 is 14443560052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25006534441 - 2¹⁷ = 25006403369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25006534397 and 25006534406.

It is not an unprimeable number, because it can be changed into a prime (25006534447) 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 in 7 ways as a sum of consecutive naturals, for example, 80170 + ... + 237571.

It is an arithmetic number, because the mean of its divisors is an integer number (3572691048).

Almost surely, 2^25006534441 is an apocalyptic number.

It is an amenable number.

25006534441 is a deficient number, since it is larger than the sum of its proper divisors (3574993943).

25006534441 is a wasteful number, since it uses less digits than its factorization.

25006534441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328991.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 25006534441 in words is "twenty-five billion, six million, five hundred thirty-four thousand, four hundred forty-one".