28032527 has 2 divisors, whose sum is σ = 28032528. Its totient is φ = 28032526.

The previous prime is 28032523. The next prime is 28032551. The reversal of 28032527 is 72523082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28032527 - 2² = 28032523 is a prime.

It is equal to p_1743365 and since 28032527 and 1743365 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28032527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28032523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14016263 + 14016264.

It is an arithmetic number, because the mean of its divisors is an integer number (14016264).

Almost surely, 2^28032527 is an apocalyptic number.

28032527 is a deficient number, since it is larger than the sum of its proper divisors (1).

28032527 is an equidigital number, since it uses as much as digits as its factorization.

28032527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 28032527 is about 5294.5752426422. The cubic root of 28032527 is about 303.7764363630.

The spelling of 28032527 in words is "twenty-eight million, thirty-two thousand, five hundred twenty-seven".