6373421 has 2 divisors, whose sum is σ = 6373422. Its totient is φ = 6373420.

The previous prime is 6373399. The next prime is 6373459. The reversal of 6373421 is 1243736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5470921 + 902500 = 2339^2 + 950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6373421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6373481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3186710 + 3186711.

It is an arithmetic number, because the mean of its divisors is an integer number (3186711).

Almost surely, 2^6373421 is an apocalyptic number.

It is an amenable number.

6373421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6373421 is an equidigital number, since it uses as much as digits as its factorization.

6373421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 6373421 is about 2524.5635266319. The cubic root of 6373421 is about 185.4061784133.

The spelling of 6373421 in words is "six million, three hundred seventy-three thousand, four hundred twenty-one".