28241325 has 96 divisors (see below), whose sum is σ = 61107200. Its totient is φ = 12519360.

The previous prime is 28241303. The next prime is 28241357. The reversal of 28241325 is 52314282.

It is not a de Polignac number, because 28241325 - 2⁵ = 28241293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203106 + ... + 203244.

Almost surely, 2^28241325 is an apocalyptic number.

28241325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28241325 is an abundant number, since it is smaller than the sum of its proper divisors (32865875).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28241325 is a wasteful number, since it uses less digits than its factorization.

28241325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 197 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 28241325 is about 5314.2567683543. The cubic root of 28241325 is about 304.5287895321.

The spelling of 28241325 in words is "twenty-eight million, two hundred forty-one thousand, three hundred twenty-five".