28252373 has 8 divisors (see below), whose sum is σ = 30004800. Its totient is φ = 26526528.

The previous prime is 28252369. The next prime is 28252379. The reversal of 28252373 is 37325282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28252373 - 2² = 28252369 is a prime.

It is a super-2 number, since 2×28252373² = 1596393160262258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28252379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4433 + ... + 8726.

It is an arithmetic number, because the mean of its divisors is an integer number (3750600).

Almost surely, 2^28252373 is an apocalyptic number.

It is an amenable number.

28252373 is a deficient number, since it is larger than the sum of its proper divisors (1752427).

28252373 is a wasteful number, since it uses less digits than its factorization.

28252373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291.

The product of its digits is 20160, while the sum is 32.

The square root of 28252373 is about 5315.2961347417. The cubic root of 28252373 is about 304.5684948863.

The spelling of 28252373 in words is "twenty-eight million, two hundred fifty-two thousand, three hundred seventy-three".