28452707 has 2 divisors, whose sum is σ = 28452708. Its totient is φ = 28452706.

The previous prime is 28452703. The next prime is 28452731. The reversal of 28452707 is 70725482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28452707 - 2² = 28452703 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28452703) 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, 14226353 + 14226354.

It is an arithmetic number, because the mean of its divisors is an integer number (14226354).

Almost surely, 2^28452707 is an apocalyptic number.

28452707 is a deficient number, since it is larger than the sum of its proper divisors (1).

28452707 is an equidigital number, since it uses as much as digits as its factorization.

28452707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 28452707 is about 5334.1078916722. The cubic root of 28452707 is about 305.2866855643.

The spelling of 28452707 in words is "twenty-eight million, four hundred fifty-two thousand, seven hundred seven".