25328943 has 10 divisors (see below), whose sum is σ = 37837184. Its totient is φ = 16885908.

The previous prime is 25328923. The next prime is 25328951. The reversal of 25328943 is 34982352.

25328943 is a `hidden beast` number, since 2 + 532 + 89 + 43 = 666.

It is not a de Polignac number, because 25328943 - 2⁹ = 25328431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25328898 and 25328907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25328903) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 156271 + ... + 156432.

Almost surely, 2^25328943 is an apocalyptic number.

25328943 is a deficient number, since it is larger than the sum of its proper divisors (12508241).

25328943 is an equidigital number, since it uses as much as digits as its factorization.

25328943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312715 (or 312706 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 25328943 is about 5032.7868025578. The cubic root of 25328943 is about 293.6786367765.

The spelling of 25328943 in words is "twenty-five million, three hundred twenty-eight thousand, nine hundred forty-three".