28269053 has 4 divisors (see below), whose sum is σ = 28609728. Its totient is φ = 27928380.

The previous prime is 28269029. The next prime is 28269061. The reversal of 28269053 is 35096282.

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 28269053 - 2⁸ = 28268797 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 (28269013) 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, 170213 + ... + 170378.

It is an arithmetic number, because the mean of its divisors is an integer number (7152432).

Almost surely, 2^28269053 is an apocalyptic number.

It is an amenable number.

28269053 is a deficient number, since it is larger than the sum of its proper divisors (340675).

28269053 is an equidigital number, since it uses as much as digits as its factorization.

28269053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340674.

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

The square root of 28269053 is about 5316.8649597296. The cubic root of 28269053 is about 304.6284214519.

The spelling of 28269053 in words is "twenty-eight million, two hundred sixty-nine thousand, fifty-three".