43001013 has 8 divisors (see below), whose sum is σ = 62546976. Its totient is φ = 26061200.

The previous prime is 43001011. The next prime is 43001027. The reversal of 43001013 is 31010034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43001013 - 2¹ = 43001011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43001011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651498 + ... + 651563.

It is an arithmetic number, because the mean of its divisors is an integer number (7818372).

Almost surely, 2^43001013 is an apocalyptic number.

It is an amenable number.

43001013 is a deficient number, since it is larger than the sum of its proper divisors (19545963).

43001013 is a wasteful number, since it uses less digits than its factorization.

43001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303075.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 43001013 is about 6557.5157643730. The cubic root of 43001013 is about 350.3425571351.

Adding to 43001013 its reverse (31010034), we get a palindrome (74011047).

The spelling of 43001013 in words is "forty-three million, one thousand, thirteen".