43345741 has 2 divisors, whose sum is σ = 43345742. Its totient is φ = 43345740.

The previous prime is 43345663. The next prime is 43345747. The reversal of 43345741 is 14754334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43283241 + 62500 = 6579^2 + 250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43345741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43345747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21672870 + 21672871.

It is an arithmetic number, because the mean of its divisors is an integer number (21672871).

Almost surely, 2^43345741 is an apocalyptic number.

It is an amenable number.

43345741 is a deficient number, since it is larger than the sum of its proper divisors (1).

43345741 is an equidigital number, since it uses as much as digits as its factorization.

43345741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 43345741 is about 6583.7482485283. The cubic root of 43345741 is about 351.2762683461.

The spelling of 43345741 in words is "forty-three million, three hundred forty-five thousand, seven hundred forty-one".