28752629 has 2 divisors, whose sum is σ = 28752630. Its totient is φ = 28752628.

The previous prime is 28752617. The next prime is 28752641. The reversal of 28752629 is 92625782.

It is a balanced prime because it is at equal distance from previous prime (28752617) and next prime (28752641).

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 3602404 = 5015^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 28752629 - 2²⁴ = 11975413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28752649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376314 + 14376315.

It is an arithmetic number, because the mean of its divisors is an integer number (14376315).

Almost surely, 2^28752629 is an apocalyptic number.

It is an amenable number.

28752629 is a deficient number, since it is larger than the sum of its proper divisors (1).

28752629 is an equidigital number, since it uses as much as digits as its factorization.

28752629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 28752629 is about 5362.1477972917. The cubic root of 28752629 is about 306.3556212667.

The spelling of 28752629 in words is "twenty-eight million, seven hundred fifty-two thousand, six hundred twenty-nine".