28326527 has 4 divisors (see below), whose sum is σ = 28376880. Its totient is φ = 28276176.

The previous prime is 28326503. The next prime is 28326553. The reversal of 28326527 is 72562382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28326527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28326577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24323 + ... + 25460.

It is an arithmetic number, because the mean of its divisors is an integer number (7094220).

Almost surely, 2^28326527 is an apocalyptic number.

28326527 is a deficient number, since it is larger than the sum of its proper divisors (50353).

28326527 is an equidigital number, since it uses as much as digits as its factorization.

28326527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50352.

The product of its digits is 40320, while the sum is 35.

The square root of 28326527 is about 5322.2670921328. The cubic root of 28326527 is about 304.8347290576.

The spelling of 28326527 in words is "twenty-eight million, three hundred twenty-six thousand, five hundred twenty-seven".