6904321 has 2 divisors, whose sum is σ = 6904322. Its totient is φ = 6904320.

The previous prime is 6904309. The next prime is 6904333. The reversal of 6904321 is 1234096.

It is a balanced prime because it is at equal distance from previous prime (6904309) and next prime (6904333).

It can be written as a sum of positive squares in only one way, i.e., 5934096 + 970225 = 2436^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 6904321 - 2¹³ = 6896129 is a prime.

It is equal to p₄₇₀₅₄₅ and since 6904321 and 470545 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (6904421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3452160 + 3452161.

It is an arithmetic number, because the mean of its divisors is an integer number (3452161).

Almost surely, 2^6904321 is an apocalyptic number.

It is an amenable number.

6904321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6904321 is an equidigital number, since it uses as much as digits as its factorization.

6904321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 6904321 is about 2627.6074668793. The cubic root of 6904321 is about 190.4175581253.

It can be divided in two parts, 6904 and 321, that added together give a square (7225 = 85²).

The spelling of 6904321 in words is "six million, nine hundred four thousand, three hundred twenty-one".