28852597 has 4 divisors (see below), whose sum is σ = 28957036. Its totient is φ = 28748160.

The previous prime is 28852567. The next prime is 28852601. The reversal of 28852597 is 79525882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79525882 = 2 ⋅39762941.

It can be written as a sum of positive squares in 2 ways, for example, as 9790641 + 19061956 = 3129^2 + 4366^2 .

It is a cyclic number.

It is not a de Polignac number, because 28852597 - 2¹⁵ = 28819829 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 (28852517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51804 + ... + 52357.

It is an arithmetic number, because the mean of its divisors is an integer number (7239259).

Almost surely, 2^28852597 is an apocalyptic number.

It is an amenable number.

28852597 is a deficient number, since it is larger than the sum of its proper divisors (104439).

28852597 is a wasteful number, since it uses less digits than its factorization.

28852597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104438.

The product of its digits is 403200, while the sum is 46.

The square root of 28852597 is about 5371.4613467845. The cubic root of 28852597 is about 306.7102593722.

The spelling of 28852597 in words is "twenty-eight million, eight hundred fifty-two thousand, five hundred ninety-seven".