28532267 has 2 divisors, whose sum is σ = 28532268. Its totient is φ = 28532266.

The previous prime is 28532261. The next prime is 28532293. The reversal of 28532267 is 76223582.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28532267 is a prime.

It is not a weakly prime, because it can be changed into another prime (28532261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14266133 + 14266134.

It is an arithmetic number, because the mean of its divisors is an integer number (14266134).

Almost surely, 2^28532267 is an apocalyptic number.

28532267 is a deficient number, since it is larger than the sum of its proper divisors (1).

28532267 is an equidigital number, since it uses as much as digits as its factorization.

28532267 is an odious number, because the sum of its binary digits is odd.

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

The square root of 28532267 is about 5341.5603525562. The cubic root of 28532267 is about 305.5709702318.

The spelling of 28532267 in words is "twenty-eight million, five hundred thirty-two thousand, two hundred sixty-seven".