25798443 has 8 divisors (see below), whose sum is σ = 37525056. Its totient is φ = 15635400.

The previous prime is 25798427. The next prime is 25798511. The reversal of 25798443 is 34489752.

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

It is not a de Polignac number, because 25798443 - 2⁴ = 25798427 is a prime.

It is a super-2 number, since 2×25798443² = 1331119322448498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25798395 and 25798404.

It is not an unprimeable number, because it can be changed into a prime (25798403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390853 + ... + 390918.

It is an arithmetic number, because the mean of its divisors is an integer number (4690632).

Almost surely, 2^25798443 is an apocalyptic number.

25798443 is a deficient number, since it is larger than the sum of its proper divisors (11726613).

25798443 is a wasteful number, since it uses less digits than its factorization.

25798443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781785.

The product of its digits is 241920, while the sum is 42.

The square root of 25798443 is about 5079.2167703299. The cubic root of 25798443 is about 295.4820921291.

The spelling of 25798443 in words is "twenty-five million, seven hundred ninety-eight thousand, four hundred forty-three".