654343 has 2 divisors, whose sum is σ = 654344. Its totient is φ = 654342.

The previous prime is 654323. The next prime is 654349. The reversal of 654343 is 343456.

654343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654343 - 2⁹ = 653831 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 5⁵ + 3⁸ + 4⁵ + 4⁸ + 3¹² .

It is an alternating number because its digits alternate between even and odd.

654343 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654349) 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, 327171 + 327172.

It is an arithmetic number, because the mean of its divisors is an integer number (327172).

2⁶⁵⁴³⁴³ is an apocalyptic number.

654343 is a deficient number, since it is larger than the sum of its proper divisors (1).

654343 is an equidigital number, since it uses as much as digits as its factorization.

654343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 654343 is about 808.9147050215. The cubic root of 654343 is about 86.8164094356.

Adding to 654343 its reverse (343456), we get a palindrome (997799).

The spelling of 654343 in words is "six hundred fifty-four thousand, three hundred forty-three".