43732961 has 2 divisors, whose sum is σ = 43732962. Its totient is φ = 43732960.

The previous prime is 43732951. The next prime is 43732963. The reversal of 43732961 is 16923734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24196561 + 19536400 = 4919^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 43732961 - 2¹⁴ = 43716577 is a prime.

It is a Sophie Germain prime.

Together with 43732963, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43732963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21866480 + 21866481.

It is an arithmetic number, because the mean of its divisors is an integer number (21866481).

Almost surely, 2^43732961 is an apocalyptic number.

It is an amenable number.

43732961 is a deficient number, since it is larger than the sum of its proper divisors (1).

43732961 is an equidigital number, since it uses as much as digits as its factorization.

43732961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 43732961 is about 6613.0901248962. The cubic root of 43732961 is about 352.3191863117.

The spelling of 43732961 in words is "forty-three million, seven hundred thirty-two thousand, nine hundred sixty-one".