43045001 has 2 divisors, whose sum is σ = 43045002. Its totient is φ = 43045000.

The previous prime is 43044971. The next prime is 43045007. The reversal of 43045001 is 10054034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 7284601 = 5980^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 43045001 - 2¹⁴ = 43028617 is a prime.

It is a super-2 number, since 2×43045001² = 3705744222180002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43045007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21522500 + 21522501.

It is an arithmetic number, because the mean of its divisors is an integer number (21522501).

Almost surely, 2^43045001 is an apocalyptic number.

It is an amenable number.

43045001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43045001 is an equidigital number, since it uses as much as digits as its factorization.

43045001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 43045001 is about 6560.8689211110. The cubic root of 43045001 is about 350.4619777057.

Adding to 43045001 its reverse (10054034), we get a palindrome (53099035).

The spelling of 43045001 in words is "forty-three million, forty-five thousand, one".