28425383 has 4 divisors (see below), whose sum is σ = 32486160. Its totient is φ = 24364608.

The previous prime is 28425373. The next prime is 28425389. The reversal of 28425383 is 38352482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28425383 - 2⁴ = 28425367 is a prime.

It is a super-3 number, since 3×28425383³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28425389) 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, 2030378 + ... + 2030391.

It is an arithmetic number, because the mean of its divisors is an integer number (8121540).

Almost surely, 2^28425383 is an apocalyptic number.

28425383 is a deficient number, since it is larger than the sum of its proper divisors (4060777).

28425383 is an equidigital number, since it uses as much as digits as its factorization.

28425383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060776.

The product of its digits is 46080, while the sum is 35.

The square root of 28425383 is about 5331.5460234345. The cubic root of 28425383 is about 305.1889289013.

The spelling of 28425383 in words is "twenty-eight million, four hundred twenty-five thousand, three hundred eighty-three".