43306061 has 2 divisors, whose sum is σ = 43306062. Its totient is φ = 43306060.

The previous prime is 43306057. The next prime is 43306069. The reversal of 43306061 is 16060334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41203561 + 2102500 = 6419^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 43306061 - 2² = 43306057 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43306069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21653030 + 21653031.

It is an arithmetic number, because the mean of its divisors is an integer number (21653031).

Almost surely, 2^43306061 is an apocalyptic number.

It is an amenable number.

43306061 is a deficient number, since it is larger than the sum of its proper divisors (1).

43306061 is an equidigital number, since it uses as much as digits as its factorization.

43306061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 43306061 is about 6580.7340775935. The cubic root of 43306061 is about 351.1690459874.

Adding to 43306061 its reverse (16060334), we get a palindrome (59366395).

The spelling of 43306061 in words is "forty-three million, three hundred six thousand, sixty-one".