6260021 has 2 divisors, whose sum is σ = 6260022. Its totient is φ = 6260020.

The previous prime is 6260017. The next prime is 6260041. The reversal of 6260021 is 1200626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4157521 + 2102500 = 2039^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 6260021 - 2² = 6260017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6260041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3130010 + 3130011.

It is an arithmetic number, because the mean of its divisors is an integer number (3130011).

Almost surely, 2^6260021 is an apocalyptic number.

It is an amenable number.

6260021 is a deficient number, since it is larger than the sum of its proper divisors (1).

6260021 is an equidigital number, since it uses as much as digits as its factorization.

6260021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6260021 is about 2502.0033972799. The cubic root of 6260021 is about 184.2999695092.

Subtracting from 6260021 its sum of digits (17), we obtain a square (6260004 = 2502²).

Adding to 6260021 its reverse (1200626), we get a palindrome (7460647).

The spelling of 6260021 in words is "six million, two hundred sixty thousand, twenty-one".