28753301 has 4 divisors (see below), whose sum is σ = 28776672. Its totient is φ = 28729932.

The previous prime is 28753279. The next prime is 28753339. The reversal of 28753301 is 10335782.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10335782 = 2 ⋅5167891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28753301 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 (28753601) 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, 9731 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (7194168).

Almost surely, 2^28753301 is an apocalyptic number.

It is an amenable number.

28753301 is a deficient number, since it is larger than the sum of its proper divisors (23371).

28753301 is a wasteful number, since it uses less digits than its factorization.

28753301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23370.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 28753301 is about 5362.2104583837. The cubic root of 28753301 is about 306.3580079398.

The spelling of 28753301 in words is "twenty-eight million, seven hundred fifty-three thousand, three hundred one".