28527105 has 16 divisors (see below), whose sum is σ = 48328704. Its totient is φ = 14319360.

The previous prime is 28527101. The next prime is 28527131. The reversal of 28527105 is 50172582.

It is not a de Polignac number, because 28527105 - 2² = 28527101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28527101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55681 + ... + 56190.

It is an arithmetic number, because the mean of its divisors is an integer number (3020544).

Almost surely, 2^28527105 is an apocalyptic number.

It is an amenable number.

28527105 is a deficient number, since it is larger than the sum of its proper divisors (19801599).

28527105 is a wasteful number, since it uses less digits than its factorization.

28527105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111896.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 28527105 is about 5341.0771385555. The cubic root of 28527105 is about 305.5525413599.

Adding to 28527105 its reverse (50172582), we get a palindrome (78699687).

The spelling of 28527105 in words is "twenty-eight million, five hundred twenty-seven thousand, one hundred five".