6241999 has 2 divisors, whose sum is σ = 6242000. Its totient is φ = 6241998.

The previous prime is 6241997. The next prime is 6242003. The reversal of 6241999 is 9991426.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6241999 - 2¹ = 6241997 is a prime.

Together with 6241997, it forms a pair of twin primes.

It is a Chen prime.

6241999 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6241997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120999 + 3121000.

It is an arithmetic number, because the mean of its divisors is an integer number (3121000).

Almost surely, 2^6241999 is an apocalyptic number.

6241999 is a deficient number, since it is larger than the sum of its proper divisors (1).

6241999 is an equidigital number, since it uses as much as digits as its factorization.

6241999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 6241999 is about 2498.3992875439. The cubic root of 6241999 is about 184.1229388708.

The spelling of 6241999 in words is "six million, two hundred forty-one thousand, nine hundred ninety-nine".