43266061 has 4 divisors (see below), whose sum is σ = 44435452. Its totient is φ = 42096672.

The previous prime is 43266043. The next prime is 43266101. The reversal of 43266061 is 16066234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16066234 = 2 ⋅8033117.

It can be written as a sum of positive squares in 2 ways, for example, as 34445161 + 8820900 = 5869^2 + 2970^2 .

It is a cyclic number.

It is not a de Polignac number, because 43266061 - 2⁹ = 43265549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43266011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584640 + ... + 584713.

It is an arithmetic number, because the mean of its divisors is an integer number (11108863).

Almost surely, 2^43266061 is an apocalyptic number.

It is an amenable number.

43266061 is a deficient number, since it is larger than the sum of its proper divisors (1169391).

43266061 is a wasteful number, since it uses less digits than its factorization.

43266061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169390.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 43266061 is about 6577.6942008579. The cubic root of 43266061 is about 351.0608926208.

The spelling of 43266061 in words is "forty-three million, two hundred sixty-six thousand, sixty-one".