6142621 has 4 divisors (see below), whose sum is σ = 6156352. Its totient is φ = 6128892.

The previous prime is 6142613. The next prime is 6142649. The reversal of 6142621 is 1262416.

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 6142621 - 2³ = 6142613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6142592 and 6142601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142651) 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, 6171 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (1539088).

Almost surely, 2^6142621 is an apocalyptic number.

It is an amenable number.

6142621 is a deficient number, since it is larger than the sum of its proper divisors (13731).

6142621 is a wasteful number, since it uses less digits than its factorization.

6142621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730.

The product of its digits is 576, while the sum is 22.

The square root of 6142621 is about 2478.4311570023. The cubic root of 6142621 is about 183.1405749973.

The spelling of 6142621 in words is "six million, one hundred forty-two thousand, six hundred twenty-one".