6363421 has 2 divisors, whose sum is σ = 6363422. Its totient is φ = 6363420.

The previous prime is 6363373. The next prime is 6363439. The reversal of 6363421 is 1243636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 656100 = 2389^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 6363421 - 2⁷ = 6363293 is a prime.

It is a d-powerful number, because it can be written as 6³ + 3¹² + 6³ + 3¹⁴ + 4¹⁰ + 2 + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6363451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3181710 + 3181711.

It is an arithmetic number, because the mean of its divisors is an integer number (3181711).

Almost surely, 2^6363421 is an apocalyptic number.

It is an amenable number.

6363421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6363421 is an equidigital number, since it uses as much as digits as its factorization.

6363421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

The square root of 6363421 is about 2522.5822087694. The cubic root of 6363421 is about 185.3091592293.

The spelling of 6363421 in words is "six million, three hundred sixty-three thousand, four hundred twenty-one".