6253000121 has 2 divisors, whose sum is σ = 6253000122. Its totient is φ = 6253000120.

The previous prime is 6253000081. The next prime is 6253000141. The reversal of 6253000121 is 1210003526.

It is an a-pointer prime, because the next prime (6253000141) can be obtained adding 6253000121 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3652510096 + 2600490025 = 60436^2 + 50995^2 .

It is a cyclic number.

It is not a de Polignac number, because 6253000121 - 2¹⁸ = 6252737977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6253000093 and 6253000102.

It is not a weakly prime, because it can be changed into another prime (6253000141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3126500060 + 3126500061.

It is an arithmetic number, because the mean of its divisors is an integer number (3126500061).

Almost surely, 2^6253000121 is an apocalyptic number.

It is an amenable number.

6253000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6253000121 is an equidigital number, since it uses as much as digits as its factorization.

6253000121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6253000121 is about 79075.9136589644. The cubic root of 6253000121 is about 1842.3104365804.

Adding to 6253000121 its reverse (1210003526), we get a palindrome (7463003647).

The spelling of 6253000121 in words is "six billion, two hundred fifty-three million, one hundred twenty-one", and thus it is an aban number.