6334921 has 2 divisors, whose sum is σ = 6334922. Its totient is φ = 6334920.

The previous prime is 6334919. The next prime is 6334927. The reversal of 6334921 is 1294336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5405625 + 929296 = 2325^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 6334921 - 2¹ = 6334919 is a prime.

Together with 6334919, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6334921.

It is not a weakly prime, because it can be changed into another prime (6334927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3167460 + 3167461.

It is an arithmetic number, because the mean of its divisors is an integer number (3167461).

Almost surely, 2^6334921 is an apocalyptic number.

It is an amenable number.

6334921 is a deficient number, since it is larger than the sum of its proper divisors (1).

6334921 is an equidigital number, since it uses as much as digits as its factorization.

6334921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 6334921 is about 2516.9268960381. The cubic root of 6334921 is about 185.0320957219.

The spelling of 6334921 in words is "six million, three hundred thirty-four thousand, nine hundred twenty-one".