43680097 has 2 divisors, whose sum is σ = 43680098. Its totient is φ = 43680096.

The previous prime is 43680053. The next prime is 43680103. The reversal of 43680097 is 79008634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23824161 + 19855936 = 4881^2 + 4456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43680097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43680397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21840048 + 21840049.

It is an arithmetic number, because the mean of its divisors is an integer number (21840049).

Almost surely, 2^43680097 is an apocalyptic number.

It is an amenable number.

43680097 is a deficient number, since it is larger than the sum of its proper divisors (1).

43680097 is an equidigital number, since it uses as much as digits as its factorization.

43680097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 43680097 is about 6609.0919951231. The cubic root of 43680097 is about 352.1771690120.

The spelling of 43680097 in words is "forty-three million, six hundred eighty thousand, ninety-seven".