43406201 has 2 divisors, whose sum is σ = 43406202. Its totient is φ = 43406200.

The previous prime is 43406189. The next prime is 43406213. The reversal of 43406201 is 10260434.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (43406189) and next prime (43406213).

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 14622976 = 5365^2 + 3824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43406201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43406801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21703100 + 21703101.

It is an arithmetic number, because the mean of its divisors is an integer number (21703101).

Almost surely, 2^43406201 is an apocalyptic number.

It is an amenable number.

43406201 is a deficient number, since it is larger than the sum of its proper divisors (1).

43406201 is an equidigital number, since it uses as much as digits as its factorization.

43406201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 43406201 is about 6588.3382578614. The cubic root of 43406201 is about 351.4395161900.

Adding to 43406201 its reverse (10260434), we get a palindrome (53666635).

The spelling of 43406201 in words is "forty-three million, four hundred six thousand, two hundred one".