6954421 has 2 divisors, whose sum is σ = 6954422. Its totient is φ = 6954420.

The previous prime is 6954419. The next prime is 6954439. The reversal of 6954421 is 1244596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3944196 + 3010225 = 1986^2 + 1735^2 .

It is a cyclic number.

It is not a de Polignac number, because 6954421 - 2¹ = 6954419 is a prime.

Together with 6954419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6954401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3477210 + 3477211.

It is an arithmetic number, because the mean of its divisors is an integer number (3477211).

Almost surely, 2^6954421 is an apocalyptic number.

It is an amenable number.

6954421 is a deficient number, since it is larger than the sum of its proper divisors (1).

6954421 is an equidigital number, since it uses as much as digits as its factorization.

6954421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 6954421 is about 2637.1236224341. The cubic root of 6954421 is about 190.8770258178.

The spelling of 6954421 in words is "six million, nine hundred fifty-four thousand, four hundred twenty-one".