6019421 has 2 divisors, whose sum is σ = 6019422. Its totient is φ = 6019420.

The previous prime is 6019417. The next prime is 6019459. The reversal of 6019421 is 1249106.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4020025 + 1999396 = 2005^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 6019421 - 2² = 6019417 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6019471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3009710 + 3009711.

It is an arithmetic number, because the mean of its divisors is an integer number (3009711).

Almost surely, 2^6019421 is an apocalyptic number.

It is an amenable number.

6019421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6019421 is an equidigital number, since it uses as much as digits as its factorization.

6019421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 6019421 is about 2453.4508350485. The cubic root of 6019421 is about 181.9079053448.

The spelling of 6019421 in words is "six million, nineteen thousand, four hundred twenty-one".