655043 has 2 divisors, whose sum is σ = 655044. Its totient is φ = 655042.

The previous prime is 655037. The next prime is 655069. The reversal of 655043 is 340556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655043 - 2¹⁰ = 654019 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (655003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327521 + 327522.

It is an arithmetic number, because the mean of its divisors is an integer number (327522).

2⁶⁵⁵⁰⁴³ is an apocalyptic number.

655043 is a deficient number, since it is larger than the sum of its proper divisors (1).

655043 is an equidigital number, since it uses as much as digits as its factorization.

655043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 655043 is about 809.3472678647. The cubic root of 655043 is about 86.8473564205.

Adding to 655043 its reverse (340556), we get a palindrome (995599).

The spelling of 655043 in words is "six hundred fifty-five thousand, forty-three".