43273049 has 2 divisors, whose sum is σ = 43273050. Its totient is φ = 43273048.

The previous prime is 43273039. The next prime is 43273057. The reversal of 43273049 is 94037234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21715600 + 21557449 = 4660^2 + 4643^2 .

It is a cyclic number.

It is not a de Polignac number, because 43273049 - 2⁴ = 43273033 is a prime.

It is not a weakly prime, because it can be changed into another prime (43273039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21636524 + 21636525.

It is an arithmetic number, because the mean of its divisors is an integer number (21636525).

Almost surely, 2^43273049 is an apocalyptic number.

It is an amenable number.

43273049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43273049 is an equidigital number, since it uses as much as digits as its factorization.

43273049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 43273049 is about 6578.2253685930. The cubic root of 43273049 is about 351.0797918180.

The spelling of 43273049 in words is "forty-three million, two hundred seventy-three thousand, forty-nine".