43074281 has 2 divisors, whose sum is σ = 43074282. Its totient is φ = 43074280.

The previous prime is 43074259. The next prime is 43074287. The reversal of 43074281 is 18247034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 9665881 = 5780^2 + 3109^2 .

It is a cyclic number.

It is not a de Polignac number, because 43074281 - 2¹⁴ = 43057897 is a prime.

It is a super-2 number, since 2×43074281² = 3710787367333922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43074287) 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, 21537140 + 21537141.

It is an arithmetic number, because the mean of its divisors is an integer number (21537141).

Almost surely, 2^43074281 is an apocalyptic number.

It is an amenable number.

43074281 is a deficient number, since it is larger than the sum of its proper divisors (1).

43074281 is an equidigital number, since it uses as much as digits as its factorization.

43074281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 43074281 is about 6563.0999535281. The cubic root of 43074281 is about 350.5414232522.

The spelling of 43074281 in words is "forty-three million, seventy-four thousand, two hundred eighty-one".