28254535 has 8 divisors (see below), whose sum is σ = 34732656. Its totient is φ = 22052160.

The previous prime is 28254517. The next prime is 28254553. The reversal of 28254535 is 53545282.

It is an interprime number because it is at equal distance from previous prime (28254517) and next prime (28254553).

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

It is not a de Polignac number, because 28254535 - 2²³ = 19865927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28254535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68709 + ... + 69118.

It is an arithmetic number, because the mean of its divisors is an integer number (4341582).

Almost surely, 2^28254535 is an apocalyptic number.

28254535 is a deficient number, since it is larger than the sum of its proper divisors (6478121).

28254535 is a wasteful number, since it uses less digits than its factorization.

28254535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137873.

The product of its digits is 48000, while the sum is 34.

The square root of 28254535 is about 5315.4995061612. The cubic root of 28254535 is about 304.5762636767.

The spelling of 28254535 in words is "twenty-eight million, two hundred fifty-four thousand, five hundred thirty-five".