43064131 has 4 divisors (see below), whose sum is σ = 46979064. Its totient is φ = 39149200.

The previous prime is 43064117. The next prime is 43064149. The reversal of 43064131 is 13146034.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43064131 is a prime.

It is a super-2 number, since 2×43064131² = 3709038757570322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43064171) 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 in 3 ways as a sum of consecutive naturals, for example, 1957450 + ... + 1957471.

It is an arithmetic number, because the mean of its divisors is an integer number (11744766).

Almost surely, 2^43064131 is an apocalyptic number.

43064131 is a deficient number, since it is larger than the sum of its proper divisors (3914933).

43064131 is a wasteful number, since it uses less digits than its factorization.

43064131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914932.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 43064131 is about 6562.3266453294. The cubic root of 43064131 is about 350.5138872929.

The spelling of 43064131 in words is "forty-three million, sixty-four thousand, one hundred thirty-one".