28374253 has 4 divisors (see below), whose sum is σ = 28391040. Its totient is φ = 28357468.

The previous prime is 28374251. The next prime is 28374257. The reversal of 28374253 is 35247382.

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 28374253 - 2¹ = 28374251 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 (28374251) 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, 5533 + ... + 9346.

It is an arithmetic number, because the mean of its divisors is an integer number (7097760).

Almost surely, 2^28374253 is an apocalyptic number.

It is an amenable number.

28374253 is a deficient number, since it is larger than the sum of its proper divisors (16787).

28374253 is a wasteful number, since it uses less digits than its factorization.

28374253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16786.

The product of its digits is 40320, while the sum is 34.

The square root of 28374253 is about 5326.7488208099. The cubic root of 28374253 is about 305.0058334457.

The spelling of 28374253 in words is "twenty-eight million, three hundred seventy-four thousand, two hundred fifty-three".