43538061 has 8 divisors (see below), whose sum is σ = 66343744. Its totient is φ = 24878880.

The previous prime is 43538021. The next prime is 43538083. The reversal of 43538061 is 16083534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43538061 - 2¹⁴ = 43521677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43538021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036600 + ... + 1036641.

It is an arithmetic number, because the mean of its divisors is an integer number (8292968).

Almost surely, 2^43538061 is an apocalyptic number.

It is an amenable number.

43538061 is a deficient number, since it is larger than the sum of its proper divisors (22805683).

43538061 is a wasteful number, since it uses less digits than its factorization.

43538061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073251.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 43538061 is about 6598.3377452204. The cubic root of 43538061 is about 351.7950258302.

The spelling of 43538061 in words is "forty-three million, five hundred thirty-eight thousand, sixty-one".