25452003 has 4 divisors (see below), whose sum is σ = 33936008. Its totient is φ = 16968000.

The previous prime is 25451999. The next prime is 25452013. The reversal of 25452003 is 30025452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25452003 - 2² = 25451999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25452013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4241998 + ... + 4242003.

It is an arithmetic number, because the mean of its divisors is an integer number (8484002).

Almost surely, 2^25452003 is an apocalyptic number.

25452003 is a deficient number, since it is larger than the sum of its proper divisors (8484005).

25452003 is an equidigital number, since it uses as much as digits as its factorization.

25452003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8484004.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25452003 is about 5044.9978196229. The cubic root of 25452003 is about 294.1534785671.

Adding to 25452003 its reverse (30025452), we get a palindrome (55477455).

The spelling of 25452003 in words is "twenty-five million, four hundred fifty-two thousand, three".