6258212861 has 2 divisors, whose sum is σ = 6258212862. Its totient is φ = 6258212860.

The previous prime is 6258212813. The next prime is 6258212879. The reversal of 6258212861 is 1682128526.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4231502500 + 2026710361 = 65050^2 + 45019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6258212861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6258214861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3129106430 + 3129106431.

It is an arithmetic number, because the mean of its divisors is an integer number (3129106431).

Almost surely, 2^6258212861 is an apocalyptic number.

It is an amenable number.

6258212861 is a deficient number, since it is larger than the sum of its proper divisors (1).

6258212861 is an equidigital number, since it uses as much as digits as its factorization.

6258212861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 41.

The square root of 6258212861 is about 79108.8671452196. The cubic root of 6258212861 is about 1842.8222345304.

The spelling of 6258212861 in words is "six billion, two hundred fifty-eight million, two hundred twelve thousand, eight hundred sixty-one".