28325510 has 16 divisors (see below), whose sum is σ = 51057216. Its totient is φ = 11314368.

The previous prime is 28325509. The next prime is 28325513. The reversal of 28325510 is 1552382.

It is a self number, because there is not a number n which added to its sum of digits gives 28325510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28325513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7859 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (3191076).

Almost surely, 2^28325510 is an apocalyptic number.

28325510 is a deficient number, since it is larger than the sum of its proper divisors (22731706).

28325510 is a wasteful number, since it uses less digits than its factorization.

28325510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 28325510 is about 5322.1715492832. The cubic root of 28325510 is about 304.8310808797.

Adding to 28325510 its reverse (1552382), we get a palindrome (29877892).

The spelling of 28325510 in words is "twenty-eight million, three hundred twenty-five thousand, five hundred ten".