28452103 has 8 divisors (see below), whose sum is σ = 29494080. Its totient is φ = 27414240.

The previous prime is 28452089. The next prime is 28452113. The reversal of 28452103 is 30125482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28452103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28452113) 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 7 ways as a sum of consecutive naturals, for example, 22498 + ... + 23728.

It is an arithmetic number, because the mean of its divisors is an integer number (3686760).

Almost surely, 2^28452103 is an apocalyptic number.

28452103 is a deficient number, since it is larger than the sum of its proper divisors (1041977).

28452103 is a wasteful number, since it uses less digits than its factorization.

28452103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28452103 is about 5334.0512745942. The cubic root of 28452103 is about 305.2845253192.

Adding to 28452103 its reverse (30125482), we get a palindrome (58577585).

The spelling of 28452103 in words is "twenty-eight million, four hundred fifty-two thousand, one hundred three".