6823457 has 2 divisors, whose sum is σ = 6823458. Its totient is φ = 6823456.

The previous prime is 6823447. The next prime is 6823463. The reversal of 6823457 is 7543286.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5456896 + 1366561 = 2336^2 + 1169^2 .

It is a cyclic number.

It is not a de Polignac number, because 6823457 - 2¹² = 6819361 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6⁵ + 8 + 2¹¹ + 3⁵ + 4¹⁰ + 5 + 7⁸ .

It is not a weakly prime, because it can be changed into another prime (6823447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3411728 + 3411729.

It is an arithmetic number, because the mean of its divisors is an integer number (3411729).

Almost surely, 2^6823457 is an apocalyptic number.

It is an amenable number.

6823457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6823457 is an equidigital number, since it uses as much as digits as its factorization.

6823457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 6823457 is about 2612.1747644444. The cubic root of 6823457 is about 189.6712412615.

The spelling of 6823457 in words is "six million, eight hundred twenty-three thousand, four hundred fifty-seven".