43274849 has 2 divisors, whose sum is σ = 43274850. Its totient is φ = 43274848.

The previous prime is 43274839. The next prime is 43274863. The reversal of 43274849 is 94847234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 1607824 = 6455^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 43274849 - 2¹² = 43270753 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43274839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21637424 + 21637425.

It is an arithmetic number, because the mean of its divisors is an integer number (21637425).

Almost surely, 2^43274849 is an apocalyptic number.

It is an amenable number.

43274849 is a deficient number, since it is larger than the sum of its proper divisors (1).

43274849 is an equidigital number, since it uses as much as digits as its factorization.

43274849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 43274849 is about 6578.3621821849. The cubic root of 43274849 is about 351.0846596274.

The spelling of 43274849 in words is "forty-three million, two hundred seventy-four thousand, eight hundred forty-nine".