6420001241 has 2 divisors, whose sum is σ = 6420001242. Its totient is φ = 6420001240.

The previous prime is 6420001223. The next prime is 6420001249. The reversal of 6420001241 is 1421000246.

6420001241 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5183424016 + 1236577225 = 71996^2 + 35165^2 .

It is a cyclic number.

It is not a de Polignac number, because 6420001241 - 2¹⁸ = 6419739097 is a prime.

It is not a weakly prime, because it can be changed into another prime (6420001249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210000620 + 3210000621.

It is an arithmetic number, because the mean of its divisors is an integer number (3210000621).

Almost surely, 2^6420001241 is an apocalyptic number.

It is an amenable number.

6420001241 is a deficient number, since it is larger than the sum of its proper divisors (1).

6420001241 is an equidigital number, since it uses as much as digits as its factorization.

6420001241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 6420001241 is about 80124.9102401993. The cubic root of 6420001241 is about 1858.5676374593.

Adding to 6420001241 its reverse (1421000246), we get a palindrome (7841001487).

The spelling of 6420001241 in words is "six billion, four hundred twenty million, one thousand, two hundred forty-one".