28514105 has 12 divisors (see below), whose sum is σ = 35442732. Its totient is φ = 22021440.

The previous prime is 28514099. The next prime is 28514119. The reversal of 28514105 is 50141582.

It can be written as a sum of positive squares in 6 ways, for example, as 179776 + 28334329 = 424^2 + 5323^2 .

It is not a de Polignac number, because 28514105 - 2¹⁸ = 28251961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815 + ... + 7595.

It is an arithmetic number, because the mean of its divisors is an integer number (2953561).

Almost surely, 2^28514105 is an apocalyptic number.

It is an amenable number.

28514105 is a deficient number, since it is larger than the sum of its proper divisors (6928627).

28514105 is an equidigital number, since it uses as much as digits as its factorization.

28514105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 28514105 is about 5339.8600168918. The cubic root of 28514105 is about 305.5061201689.

Adding to 28514105 its reverse (50141582), we get a palindrome (78655687).

The spelling of 28514105 in words is "twenty-eight million, five hundred fourteen thousand, one hundred five".