28575253 has 8 divisors (see below), whose sum is σ = 32766272. Its totient is φ = 24411456.

The previous prime is 28575251. The next prime is 28575257. The reversal of 28575253 is 35257582.

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 28575253 - 2¹ = 28575251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28575251) 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, 4500 + ... + 8797.

It is an arithmetic number, because the mean of its divisors is an integer number (4095784).

Almost surely, 2^28575253 is an apocalyptic number.

It is an amenable number.

28575253 is a deficient number, since it is larger than the sum of its proper divisors (4191019).

28575253 is a wasteful number, since it uses less digits than its factorization.

28575253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611.

The product of its digits is 84000, while the sum is 37.

The square root of 28575253 is about 5345.5825688132. The cubic root of 28575253 is about 305.7243484266.

The spelling of 28575253 in words is "twenty-eight million, five hundred seventy-five thousand, two hundred fifty-three".