6390653 has 2 divisors, whose sum is σ = 6390654. Its totient is φ = 6390652.

The previous prime is 6390641. The next prime is 6390679. The reversal of 6390653 is 3560936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4897369 + 1493284 = 2213^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 6390653 - 2¹⁰ = 6389629 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6390053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195326 + 3195327.

It is an arithmetic number, because the mean of its divisors is an integer number (3195327).

Almost surely, 2^6390653 is an apocalyptic number.

It is an amenable number.

6390653 is a deficient number, since it is larger than the sum of its proper divisors (1).

6390653 is an equidigital number, since it uses as much as digits as its factorization.

6390653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 6390653 is about 2527.9740900571. The cubic root of 6390653 is about 185.5731240346.

The spelling of 6390653 in words is "six million, three hundred ninety thousand, six hundred fifty-three".