28485103 has 2 divisors, whose sum is σ = 28485104. Its totient is φ = 28485102.

The previous prime is 28485101. The next prime is 28485133. The reversal of 28485103 is 30158482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28485103 - 2¹ = 28485101 is a prime.

It is a super-2 number, since 2×28485103² = 1622802185841218, which contains 22 as substring.

Together with 28485101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28485101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14242551 + 14242552.

It is an arithmetic number, because the mean of its divisors is an integer number (14242552).

Almost surely, 2^28485103 is an apocalyptic number.

28485103 is a deficient number, since it is larger than the sum of its proper divisors (1).

28485103 is an equidigital number, since it uses as much as digits as its factorization.

28485103 is an evil number, because the sum of its binary digits is even.

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

The square root of 28485103 is about 5337.1437117619. The cubic root of 28485103 is about 305.4025071890.

The spelling of 28485103 in words is "twenty-eight million, four hundred eighty-five thousand, one hundred three".