28125335 has 16 divisors (see below), whose sum is σ = 39009600. Its totient is φ = 19067136.

The previous prime is 28125329. The next prime is 28125341. The reversal of 28125335 is 53352182.

It is an interprime number because it is at equal distance from previous prime (28125329) and next prime (28125341).

It is a cyclic number.

It is not a de Polignac number, because 28125335 - 2⁸ = 28125079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28125298 and 28125307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (2438100).

Almost surely, 2^28125335 is an apocalyptic number.

28125335 is a deficient number, since it is larger than the sum of its proper divisors (10884265).

28125335 is an equidigital number, since it uses as much as digits as its factorization.

28125335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130.

The product of its digits is 7200, while the sum is 29.

The square root of 28125335 is about 5303.3324429079. The cubic root of 28125335 is about 304.1113072036. Note that the first 3 decimals are identical.

The spelling of 28125335 in words is "twenty-eight million, one hundred twenty-five thousand, three hundred thirty-five".