6601043 has 4 divisors (see below), whose sum is σ = 6618840. Its totient is φ = 6583248.

The previous prime is 6601039. The next prime is 6601061. The reversal of 6601043 is 3401066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3401066 = 2 ⋅1700533.

It is a cyclic number.

It is not a de Polignac number, because 6601043 - 2² = 6601039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6601013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8330 + ... + 9087.

It is an arithmetic number, because the mean of its divisors is an integer number (1654710).

Almost surely, 2^6601043 is an apocalyptic number.

6601043 is a deficient number, since it is larger than the sum of its proper divisors (17797).

6601043 is a wasteful number, since it uses less digits than its factorization.

6601043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17796.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 6601043 is about 2569.2495013136. The cubic root of 6601043 is about 187.5876260056.

The spelling of 6601043 in words is "six million, six hundred one thousand, forty-three".