6256121 has 2 divisors, whose sum is σ = 6256122. Its totient is φ = 6256120.

The previous prime is 6256109. The next prime is 6256127. The reversal of 6256121 is 1216526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3759721 + 2496400 = 1939^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 6256121 - 2⁶ = 6256057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6256127) 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, 3128060 + 3128061.

It is an arithmetic number, because the mean of its divisors is an integer number (3128061).

Almost surely, 2^6256121 is an apocalyptic number.

It is an amenable number.

6256121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256121 is an equidigital number, since it uses as much as digits as its factorization.

6256121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 6256121 is about 2501.2239004136. The cubic root of 6256121 is about 184.2616885301.

The spelling of 6256121 in words is "six million, two hundred fifty-six thousand, one hundred twenty-one".