6141721 has 4 divisors (see below), whose sum is σ = 6147792. Its totient is φ = 6135652.

The previous prime is 6141691. The next prime is 6141727. The reversal of 6141721 is 1271416.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6141721 - 2⁹ = 6141209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6141692 and 6141701.

It is not an unprimeable number, because it can be changed into a prime (6141727) 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, 1111 + ... + 3676.

It is an arithmetic number, because the mean of its divisors is an integer number (1536948).

Almost surely, 2^6141721 is an apocalyptic number.

It is an amenable number.

6141721 is a deficient number, since it is larger than the sum of its proper divisors (6071).

6141721 is a wasteful number, since it uses less digits than its factorization.

6141721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070.

The product of its digits is 336, while the sum is 22.

The square root of 6141721 is about 2478.2495838797. The cubic root of 6141721 is about 183.1316301420.

The spelling of 6141721 in words is "six million, one hundred forty-one thousand, seven hundred twenty-one".