6345457 has 2 divisors, whose sum is σ = 6345458. Its totient is φ = 6345456.

The previous prime is 6345439. The next prime is 6345481. The reversal of 6345457 is 7545436.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6155361 + 190096 = 2481^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 6345457 - 2¹¹ = 6343409 is a prime.

6345457 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6345407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172728 + 3172729.

It is an arithmetic number, because the mean of its divisors is an integer number (3172729).

Almost surely, 2^6345457 is an apocalyptic number.

It is an amenable number.

6345457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345457 is an equidigital number, since it uses as much as digits as its factorization.

6345457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 34.

The square root of 6345457 is about 2519.0190551086. The cubic root of 6345457 is about 185.1346183569.

The spelling of 6345457 in words is "six million, three hundred forty-five thousand, four hundred fifty-seven".