43450541 has 2 divisors, whose sum is σ = 43450542. Its totient is φ = 43450540.

The previous prime is 43450531. The next prime is 43450559. The reversal of 43450541 is 14505434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31685641 + 11764900 = 5629^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 43450541 - 2²² = 39256237 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 43450541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43450501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21725270 + 21725271.

It is an arithmetic number, because the mean of its divisors is an integer number (21725271).

Almost surely, 2^43450541 is an apocalyptic number.

It is an amenable number.

43450541 is a deficient number, since it is larger than the sum of its proper divisors (1).

43450541 is an equidigital number, since it uses as much as digits as its factorization.

43450541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 43450541 is about 6591.7024356383. The cubic root of 43450541 is about 351.5591421480.

Adding to 43450541 its reverse (14505434), we get a palindrome (57955975).

The spelling of 43450541 in words is "forty-three million, four hundred fifty thousand, five hundred forty-one".