28541315 has 8 divisors (see below), whose sum is σ = 37363248. Its totient is φ = 20757280.

The previous prime is 28541299. The next prime is 28541327. The reversal of 28541315 is 51314582.

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

It is not a de Polignac number, because 28541315 - 2⁴ = 28541299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259412 + ... + 259521.

It is an arithmetic number, because the mean of its divisors is an integer number (4670406).

Almost surely, 2^28541315 is an apocalyptic number.

28541315 is a deficient number, since it is larger than the sum of its proper divisors (8821933).

28541315 is a wasteful number, since it uses less digits than its factorization.

28541315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518949.

The product of its digits is 4800, while the sum is 29.

The square root of 28541315 is about 5342.4072289559. The cubic root of 28541315 is about 305.6032671624.

Adding to 28541315 its reverse (51314582), we get a palindrome (79855897).

The spelling of 28541315 in words is "twenty-eight million, five hundred forty-one thousand, three hundred fifteen".