28233125 has 20 divisors (see below), whose sum is σ = 35613600. Its totient is φ = 22374000.

The previous prime is 28233119. The next prime is 28233131. The reversal of 28233125 is 52133282.

It is an interprime number because it is at equal distance from previous prime (28233119) and next prime (28233131).

It is not a de Polignac number, because 28233125 - 2⁶ = 28233061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28233094 and 28233103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 124262 + ... + 124488.

It is an arithmetic number, because the mean of its divisors is an integer number (1780680).

Almost surely, 2^28233125 is an apocalyptic number.

28233125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28233125 is a deficient number, since it is larger than the sum of its proper divisors (7380475).

28233125 is an equidigital number, since it uses as much as digits as its factorization.

28233125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 431 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 28233125 is about 5313.4852027648. The cubic root of 28233125 is about 304.4993128958.

The spelling of 28233125 in words is "twenty-eight million, two hundred thirty-three thousand, one hundred twenty-five".