43375049 has 2 divisors, whose sum is σ = 43375050. Its totient is φ = 43375048.

The previous prime is 43375037. The next prime is 43375069. The reversal of 43375049 is 94057334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 9966649 = 5780^2 + 3157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43375049 is a prime.

It is not a weakly prime, because it can be changed into another prime (43375009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21687524 + 21687525.

It is an arithmetic number, because the mean of its divisors is an integer number (21687525).

Almost surely, 2^43375049 is an apocalyptic number.

It is an amenable number.

43375049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43375049 is an equidigital number, since it uses as much as digits as its factorization.

43375049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 43375049 is about 6585.9736561878. The cubic root of 43375049 is about 351.3554217236.

The spelling of 43375049 in words is "forty-three million, three hundred seventy-five thousand, forty-nine".