6130021 has 2 divisors, whose sum is σ = 6130022. Its totient is φ = 6130020.

The previous prime is 6129973. The next prime is 6130043. The reversal of 6130021 is 1200316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4950625 + 1179396 = 2225^2 + 1086^2 .

It is a cyclic number.

It is not a de Polignac number, because 6130021 - 2¹⁵ = 6097253 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6129983 and 6130010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6134021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065010 + 3065011.

It is an arithmetic number, because the mean of its divisors is an integer number (3065011).

Almost surely, 2^6130021 is an apocalyptic number.

It is an amenable number.

6130021 is a deficient number, since it is larger than the sum of its proper divisors (1).

6130021 is an equidigital number, since it uses as much as digits as its factorization.

6130021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 6130021 is about 2475.8879215344. The cubic root of 6130021 is about 183.0152674214.

Adding to 6130021 its reverse (1200316), we get a palindrome (7330337).

The spelling of 6130021 in words is "six million, one hundred thirty thousand, twenty-one".