28458103 has 2 divisors, whose sum is σ = 28458104. Its totient is φ = 28458102.

The previous prime is 28458097. The next prime is 28458113. The reversal of 28458103 is 30185482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28458103 - 2¹⁷ = 28327031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28458113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14229051 + 14229052.

It is an arithmetic number, because the mean of its divisors is an integer number (14229052).

Almost surely, 2^28458103 is an apocalyptic number.

28458103 is a deficient number, since it is larger than the sum of its proper divisors (1).

28458103 is an equidigital number, since it uses as much as digits as its factorization.

28458103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28458103 is about 5334.6136692360. The cubic root of 28458103 is about 305.3059833512.

It can be divided in two parts, 28458 and 103, that added together give a 4-th power (28561 = 13⁴).

The spelling of 28458103 in words is "twenty-eight million, four hundred fifty-eight thousand, one hundred three".