6464413 has 2 divisors, whose sum is σ = 6464414. Its totient is φ = 6464412.

The previous prime is 6464411. The next prime is 6464431. The reversal of 6464413 is 3144646.

It is a happy number.

Together with next prime (6464431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 2229049 = 2058^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464413 - 2¹ = 6464411 is a prime.

Together with 6464411, it forms a pair of twin primes.

It is a congruent 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, 3232206 + 3232207.

It is an arithmetic number, because the mean of its divisors is an integer number (3232207).

Almost surely, 2^6464413 is an apocalyptic number.

It is an amenable number.

6464413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464413 is an equidigital number, since it uses as much as digits as its factorization.

6464413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 6464413 is about 2542.5209930303. The cubic root of 6464413 is about 186.2843475233.

The spelling of 6464413 in words is "six million, four hundred sixty-four thousand, four hundred thirteen".