6464741 has 2 divisors, whose sum is σ = 6464742. Its totient is φ = 6464740.

The previous prime is 6464729. The next prime is 6464747. The reversal of 6464741 is 1474646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4532641 + 1932100 = 2129^2 + 1390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6464741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6464698 and 6464707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6464747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232370 + 3232371.

It is an arithmetic number, because the mean of its divisors is an integer number (3232371).

Almost surely, 2^6464741 is an apocalyptic number.

It is an amenable number.

6464741 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464741 is an equidigital number, since it uses as much as digits as its factorization.

6464741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 6464741 is about 2542.5854951211. The cubic root of 6464741 is about 186.2874981178.

The spelling of 6464741 in words is "six million, four hundred sixty-four thousand, seven hundred forty-one".