28610503 has 2 divisors, whose sum is σ = 28610504. Its totient is φ = 28610502.

The previous prime is 28610431. The next prime is 28610521. The reversal of 28610503 is 30501682.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28610503 - 2¹⁷ = 28479431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28610003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14305251 + 14305252.

It is an arithmetic number, because the mean of its divisors is an integer number (14305252).

Almost surely, 2^28610503 is an apocalyptic number.

28610503 is a deficient number, since it is larger than the sum of its proper divisors (1).

28610503 is an equidigital number, since it uses as much as digits as its factorization.

28610503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 28610503 is about 5348.8786675340. The cubic root of 28610503 is about 305.8500090808.

The spelling of 28610503 in words is "twenty-eight million, six hundred ten thousand, five hundred three".