25328003 has 4 divisors (see below), whose sum is σ = 25560480. Its totient is φ = 25095528.

The previous prime is 25327999. The next prime is 25328029. The reversal of 25328003 is 30082352.

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 25328003 - 2² = 25327999 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 25328003.

It is not an unprimeable number, because it can be changed into a prime (25328033) 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, 116075 + ... + 116292.

It is an arithmetic number, because the mean of its divisors is an integer number (6390120).

Almost surely, 2^25328003 is an apocalyptic number.

25328003 is a deficient number, since it is larger than the sum of its proper divisors (232477).

25328003 is a wasteful number, since it uses less digits than its factorization.

25328003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232476.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25328003 is about 5032.6934140677. The cubic root of 25328003 is about 293.6750037609.

The spelling of 25328003 in words is "twenty-five million, three hundred twenty-eight thousand, three".