43995101 has 2 divisors, whose sum is σ = 43995102. Its totient is φ = 43995100.

The previous prime is 43995071. The next prime is 43995121. The reversal of 43995101 is 10159934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40627876 + 3367225 = 6374^2 + 1835^2 .

It is a cyclic number.

It is not a de Polignac number, because 43995101 - 2⁶ = 43995037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43995121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21997550 + 21997551.

It is an arithmetic number, because the mean of its divisors is an integer number (21997551).

Almost surely, 2^43995101 is an apocalyptic number.

It is an amenable number.

43995101 is a deficient number, since it is larger than the sum of its proper divisors (1).

43995101 is an equidigital number, since it uses as much as digits as its factorization.

43995101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 43995101 is about 6632.8802944121. The cubic root of 43995101 is about 353.0217306399.

The spelling of 43995101 in words is "forty-three million, nine hundred ninety-five thousand, one hundred one".