25673873 has 4 divisors (see below), whose sum is σ = 25719408. Its totient is φ = 25628340.

The previous prime is 25673867. The next prime is 25673887. The reversal of 25673873 is 37837652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25673873 - 2¹⁶ = 25608337 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 25673873.

It is not an unprimeable number, because it can be changed into a prime (25673173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21911 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (6429852).

Almost surely, 2^25673873 is an apocalyptic number.

It is an amenable number.

25673873 is a deficient number, since it is larger than the sum of its proper divisors (45535).

25673873 is an equidigital number, since it uses as much as digits as its factorization.

25673873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45534.

The product of its digits is 211680, while the sum is 41.

The square root of 25673873 is about 5066.9392141608. The cubic root of 25673873 is about 295.0057377032.

The spelling of 25673873 in words is "twenty-five million, six hundred seventy-three thousand, eight hundred seventy-three".