25973443 has 4 divisors (see below), whose sum is σ = 26811328. Its totient is φ = 25135560.

The previous prime is 25973351. The next prime is 25973461. The reversal of 25973443 is 34437952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25973443 - 2¹⁷ = 25842371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25973483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418896 + ... + 418957.

It is an arithmetic number, because the mean of its divisors is an integer number (6702832).

Almost surely, 2^25973443 is an apocalyptic number.

25973443 is a deficient number, since it is larger than the sum of its proper divisors (837885).

25973443 is an equidigital number, since it uses as much as digits as its factorization.

25973443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837884.

The product of its digits is 90720, while the sum is 37.

The square root of 25973443 is about 5096.4147201734. The cubic root of 25973443 is about 296.1487070842.

The spelling of 25973443 in words is "twenty-five million, nine hundred seventy-three thousand, four hundred forty-three".