43125673 has 2 divisors, whose sum is σ = 43125674. Its totient is φ = 43125672.

The previous prime is 43125661. The next prime is 43125679. The reversal of 43125673 is 37652134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28164249 + 14961424 = 5307^2 + 3868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43125673 is a prime.

It is not a weakly prime, because it can be changed into another prime (43125679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21562836 + 21562837.

It is an arithmetic number, because the mean of its divisors is an integer number (21562837).

Almost surely, 2^43125673 is an apocalyptic number.

It is an amenable number.

43125673 is a deficient number, since it is larger than the sum of its proper divisors (1).

43125673 is an equidigital number, since it uses as much as digits as its factorization.

43125673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 43125673 is about 6567.0140094262. The cubic root of 43125673 is about 350.6807783737.

The spelling of 43125673 in words is "forty-three million, one hundred twenty-five thousand, six hundred seventy-three".