28529325 has 36 divisors (see below), whose sum is σ = 55749408. Its totient is φ = 13831200.

The previous prime is 28529323. The next prime is 28529351. The reversal of 28529325 is 52392582.

It is not a de Polignac number, because 28529325 - 2¹ = 28529323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28529325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28529321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3289 + ... + 8238.

Almost surely, 2^28529325 is an apocalyptic number.

28529325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28529325 is a deficient number, since it is larger than the sum of its proper divisors (27220083).

28529325 is a wasteful number, since it uses less digits than its factorization.

28529325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11554 (or 11546 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 28529325 is about 5341.2849577606. The cubic root of 28529325 is about 305.5604672611.

The spelling of 28529325 in words is "twenty-eight million, five hundred twenty-nine thousand, three hundred twenty-five".