6945437 has 2 divisors, whose sum is σ = 6945438. Its totient is φ = 6945436.

The previous prime is 6945397. The next prime is 6945473. The reversal of 6945437 is 7345496.

Together with next prime (6945473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5112121 + 1833316 = 2261^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 6945437 - 2¹⁸ = 6683293 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6945437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6945637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472718 + 3472719.

It is an arithmetic number, because the mean of its divisors is an integer number (3472719).

Almost surely, 2^6945437 is an apocalyptic number.

It is an amenable number.

6945437 is a deficient number, since it is larger than the sum of its proper divisors (1).

6945437 is an equidigital number, since it uses as much as digits as its factorization.

6945437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 6945437 is about 2635.4197009205. The cubic root of 6945437 is about 190.7947961991.

The spelling of 6945437 in words is "six million, nine hundred forty-five thousand, four hundred thirty-seven".