655654343 has 2 divisors, whose sum is σ = 655654344. Its totient is φ = 655654342.

The previous prime is 655654313. The next prime is 655654357. The reversal of 655654343 is 343456556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655654343 - 2¹⁶ = 655588807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655654343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655654303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327827171 + 327827172.

It is an arithmetic number, because the mean of its divisors is an integer number (327827172).

Almost surely, 2^655654343 is an apocalyptic number.

655654343 is a deficient number, since it is larger than the sum of its proper divisors (1).

655654343 is an equidigital number, since it uses as much as digits as its factorization.

655654343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 41.

The square root of 655654343 is about 25605.7482413617. The cubic root of 655654343 is about 868.7436585083.

The spelling of 655654343 in words is "six hundred fifty-five million, six hundred fifty-four thousand, three hundred forty-three".