43028761 has 2 divisors, whose sum is σ = 43028762. Its totient is φ = 43028760.

The previous prime is 43028753. The next prime is 43028773. The reversal of 43028761 is 16782034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 1038361 = 6480^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 43028761 - 2³ = 43028753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43029761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21514380 + 21514381.

It is an arithmetic number, because the mean of its divisors is an integer number (21514381).

Almost surely, 2^43028761 is an apocalyptic number.

It is an amenable number.

43028761 is a deficient number, since it is larger than the sum of its proper divisors (1).

43028761 is an equidigital number, since it uses as much as digits as its factorization.

43028761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 43028761 is about 6559.6311634116. The cubic root of 43028761 is about 350.4178981122.

The spelling of 43028761 in words is "forty-three million, twenty-eight thousand, seven hundred sixty-one".