6143021 has 4 divisors (see below), whose sum is σ = 6247200. Its totient is φ = 6038844.

The previous prime is 6143003. The next prime is 6143063. The reversal of 6143021 is 1203416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6143021 - 2⁶ = 6142957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6143521) 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, 52001 + ... + 52118.

It is an arithmetic number, because the mean of its divisors is an integer number (1561800).

Almost surely, 2^6143021 is an apocalyptic number.

It is an amenable number.

6143021 is a deficient number, since it is larger than the sum of its proper divisors (104179).

6143021 is a wasteful number, since it uses less digits than its factorization.

6143021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104178.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6143021 is about 2478.5118518982. The cubic root of 6143021 is about 183.1445502081.

Adding to 6143021 its reverse (1203416), we get a palindrome (7346437).

The spelling of 6143021 in words is "six million, one hundred forty-three thousand, twenty-one".