28535163 has 8 divisors (see below), whose sum is σ = 40285008. Its totient is φ = 17904384.

The previous prime is 28535161. The next prime is 28535167. The reversal of 28535163 is 36153582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28535163 - 2¹ = 28535161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28535161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279706 + ... + 279807.

It is an arithmetic number, because the mean of its divisors is an integer number (5035626).

Almost surely, 2^28535163 is an apocalyptic number.

28535163 is a deficient number, since it is larger than the sum of its proper divisors (11749845).

28535163 is a wasteful number, since it uses less digits than its factorization.

28535163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559533.

The product of its digits is 21600, while the sum is 33.

The square root of 28535163 is about 5341.8314275162. The cubic root of 28535163 is about 305.5813082770.

The spelling of 28535163 in words is "twenty-eight million, five hundred thirty-five thousand, one hundred sixty-three".