28265071 has 8 divisors (see below), whose sum is σ = 28828800. Its totient is φ = 27704280.

The previous prime is 28265057. The next prime is 28265093. The reversal of 28265071 is 17056282.

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

It is a cyclic number.

It is not a de Polignac number, because 28265071 - 2¹⁷ = 28133999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28265011) 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, 33270 + ... + 34108.

It is an arithmetic number, because the mean of its divisors is an integer number (3603600).

Almost surely, 2^28265071 is an apocalyptic number.

28265071 is a deficient number, since it is larger than the sum of its proper divisors (563729).

28265071 is an equidigital number, since it uses as much as digits as its factorization.

28265071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 28265071 is about 5316.4904777494. The cubic root of 28265071 is about 304.6141173843.

The spelling of 28265071 in words is "twenty-eight million, two hundred sixty-five thousand, seventy-one".