28526093 has 4 divisors (see below), whose sum is σ = 28792800. Its totient is φ = 28259388.

The previous prime is 28526089. The next prime is 28526123. The reversal of 28526093 is 39062582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28526093 - 2² = 28526089 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 (28526023) 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, 133193 + ... + 133406.

It is an arithmetic number, because the mean of its divisors is an integer number (7198200).

Almost surely, 2^28526093 is an apocalyptic number.

It is an amenable number.

28526093 is a deficient number, since it is larger than the sum of its proper divisors (266707).

28526093 is a wasteful number, since it uses less digits than its factorization.

28526093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266706.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 28526093 is about 5340.9824002706. The cubic root of 28526093 is about 305.5489281550.

The spelling of 28526093 in words is "twenty-eight million, five hundred twenty-six thousand, ninety-three".