43152973 has 2 divisors, whose sum is σ = 43152974. Its totient is φ = 43152972.

The previous prime is 43152943. The next prime is 43153007. The reversal of 43152973 is 37925134.

43152973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (43153007) can be obtained adding 43152973 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41705764 + 1447209 = 6458^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 43152973 - 2²⁵ = 9598541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43152913) 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, 21576486 + 21576487.

It is an arithmetic number, because the mean of its divisors is an integer number (21576487).

Almost surely, 2^43152973 is an apocalyptic number.

It is an amenable number.

43152973 is a deficient number, since it is larger than the sum of its proper divisors (1).

43152973 is an equidigital number, since it uses as much as digits as its factorization.

43152973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 43152973 is about 6569.0922508365. The cubic root of 43152973 is about 350.7547603366.

The spelling of 43152973 in words is "forty-three million, one hundred fifty-two thousand, nine hundred seventy-three".