6465493 has 2 divisors, whose sum is σ = 6465494. Its totient is φ = 6465492.

The previous prime is 6465469. The next prime is 6465497. The reversal of 6465493 is 3945646.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5008644 + 1456849 = 2238^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 6465493 - 2²¹ = 4368341 is a prime.

It is a d-powerful number, because it can be written as 6 + 4⁵ + 6⁸ + 5³ + 4⁵ + 9³ + 3¹⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6465497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232746 + 3232747.

It is an arithmetic number, because the mean of its divisors is an integer number (3232747).

Almost surely, 2^6465493 is an apocalyptic number.

It is an amenable number.

6465493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6465493 is an equidigital number, since it uses as much as digits as its factorization.

6465493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 6465493 is about 2542.7333717871. The cubic root of 6465493 is about 186.2947210299.

The spelling of 6465493 in words is "six million, four hundred sixty-five thousand, four hundred ninety-three".