43394201 has 2 divisors, whose sum is σ = 43394202. Its totient is φ = 43394200.

The previous prime is 43394191. The next prime is 43394213. The reversal of 43394201 is 10249334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39187600 + 4206601 = 6260^2 + 2051^2 .

It is a cyclic number.

It is not a de Polignac number, because 43394201 - 2⁶ = 43394137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43394231) 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, 21697100 + 21697101.

It is an arithmetic number, because the mean of its divisors is an integer number (21697101).

Almost surely, 2^43394201 is an apocalyptic number.

It is an amenable number.

43394201 is a deficient number, since it is larger than the sum of its proper divisors (1).

43394201 is an equidigital number, since it uses as much as digits as its factorization.

43394201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 43394201 is about 6587.4274948572. The cubic root of 43394201 is about 351.4071270936.

The spelling of 43394201 in words is "forty-three million, three hundred ninety-four thousand, two hundred one".