25326943 has 4 divisors (see below), whose sum is σ = 26659960. Its totient is φ = 23993928.

The previous prime is 25326919. The next prime is 25326953. The reversal of 25326943 is 34962352.

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 25326943 - 2¹⁷ = 25195871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25326899 and 25326908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25326953) 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, 666480 + ... + 666517.

It is an arithmetic number, because the mean of its divisors is an integer number (6664990).

Almost surely, 2^25326943 is an apocalyptic number.

25326943 is a deficient number, since it is larger than the sum of its proper divisors (1333017).

25326943 is a wasteful number, since it uses less digits than its factorization.

25326943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333016.

The product of its digits is 38880, while the sum is 34.

The square root of 25326943 is about 5032.5881015636. The cubic root of 25326943 is about 293.6709068483.

The spelling of 25326943 in words is "twenty-five million, three hundred twenty-six thousand, nine hundred forty-three".