6464401 has 2 divisors, whose sum is σ = 6464402. Its totient is φ = 6464400.

The previous prime is 6464387. The next prime is 6464411. The reversal of 6464401 is 1044646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5645376 + 819025 = 2376^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464401 - 2⁷ = 6464273 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6464411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232200 + 3232201.

It is an arithmetic number, because the mean of its divisors is an integer number (3232201).

Almost surely, 2^6464401 is an apocalyptic number.

It is an amenable number.

6464401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464401 is an equidigital number, since it uses as much as digits as its factorization.

6464401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6464401 is about 2542.5186331667. The cubic root of 6464401 is about 186.2842322556.

The spelling of 6464401 in words is "six million, four hundred sixty-four thousand, four hundred one".