28325527 has 2 divisors, whose sum is σ = 28325528. Its totient is φ = 28325526.

The previous prime is 28325513. The next prime is 28325543. The reversal of 28325527 is 72552382.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28325527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28325492 and 28325501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28325567) by changing a digit.

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 as a sum of consecutive naturals, namely, 14162763 + 14162764.

It is an arithmetic number, because the mean of its divisors is an integer number (14162764).

Almost surely, 2^28325527 is an apocalyptic number.

28325527 is a deficient number, since it is larger than the sum of its proper divisors (1).

28325527 is an equidigital number, since it uses as much as digits as its factorization.

28325527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 28325527 is about 5322.1731463755. The cubic root of 28325527 is about 304.8311418628.

The spelling of 28325527 in words is "twenty-eight million, three hundred twenty-five thousand, five hundred twenty-seven".