25530265441 has 8 divisors (see below), whose sum is σ = 26206677504. Its totient is φ = 24856411680.

The previous prime is 25530265367. The next prime is 25530265459. The reversal of 25530265441 is 14456203552.

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

It is a cyclic number.

It is not a de Polignac number, because 25530265441 - 2²⁹ = 24993394529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25530265441.

It is not an unprimeable number, because it can be changed into a prime (25530265741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619345 + ... + 659278.

It is an arithmetic number, because the mean of its divisors is an integer number (3275834688).

Almost surely, 2^25530265441 is an apocalyptic number.

It is an amenable number.

25530265441 is a deficient number, since it is larger than the sum of its proper divisors (676412063).

25530265441 is a wasteful number, since it uses less digits than its factorization.

25530265441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279151.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 25530265441 its reverse (14456203552), we get a palindrome (39986468993).

The spelling of 25530265441 in words is "twenty-five billion, five hundred thirty million, two hundred sixty-five thousand, four hundred forty-one".