25873243 has 4 divisors (see below), whose sum is σ = 28225368. Its totient is φ = 23521120.

The previous prime is 25873241. The next prime is 25873247. The reversal of 25873243 is 34237852.

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 25873243 - 2¹ = 25873241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25873199 and 25873208.

It is not an unprimeable number, because it can be changed into a prime (25873241) 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, 1176046 + ... + 1176067.

It is an arithmetic number, because the mean of its divisors is an integer number (7056342).

Almost surely, 2^25873243 is an apocalyptic number.

25873243 is a deficient number, since it is larger than the sum of its proper divisors (2352125).

25873243 is a wasteful number, since it uses less digits than its factorization.

25873243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352124.

The product of its digits is 40320, while the sum is 34.

The square root of 25873243 is about 5086.5747807341. The cubic root of 25873243 is about 295.7673901466.

The spelling of 25873243 in words is "twenty-five million, eight hundred seventy-three thousand, two hundred forty-three".