43351161 has 16 divisors (see below), whose sum is σ = 67845504. Its totient is φ = 24102144.

The previous prime is 43351117. The next prime is 43351177. The reversal of 43351161 is 16115334.

It is not a de Polignac number, because 43351161 - 2⁶ = 43351097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43351111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27120 + ... + 28673.

It is an arithmetic number, because the mean of its divisors is an integer number (4240344).

Almost surely, 2^43351161 is an apocalyptic number.

It is an amenable number.

43351161 is a deficient number, since it is larger than the sum of its proper divisors (24494343).

43351161 is a wasteful number, since it uses less digits than its factorization.

43351161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55840.

The product of its digits is 1080, while the sum is 24.

The square root of 43351161 is about 6584.1598552891. The cubic root of 43351161 is about 351.2909090619.

Adding to 43351161 its reverse (16115334), we get a palindrome (59466495).

The spelling of 43351161 in words is "forty-three million, three hundred fifty-one thousand, one hundred sixty-one".