43113761 has 4 divisors (see below), whose sum is σ = 43354800. Its totient is φ = 42872724.

The previous prime is 43113731. The next prime is 43113773. The reversal of 43113761 is 16731134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43113761 - 2²² = 38919457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43113761.

It is not an unprimeable number, because it can be changed into a prime (43113731) 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, 120251 + ... + 120608.

It is an arithmetic number, because the mean of its divisors is an integer number (10838700).

Almost surely, 2^43113761 is an apocalyptic number.

It is an amenable number.

43113761 is a deficient number, since it is larger than the sum of its proper divisors (241039).

43113761 is a wasteful number, since it uses less digits than its factorization.

43113761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241038.

The product of its digits is 1512, while the sum is 26.

The square root of 43113761 is about 6566.1069896857. The cubic root of 43113761 is about 350.6484875222.

Adding to 43113761 its reverse (16731134), we get a palindrome (59844895).

The spelling of 43113761 in words is "forty-three million, one hundred thirteen thousand, seven hundred sixty-one".