655003 has 2 divisors, whose sum is σ = 655004. Its totient is φ = 655002.

The previous prime is 655001. The next prime is 655013. The reversal of 655003 is 300556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655003 - 2¹ = 655001 is a prime.

Together with 655001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (655001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327501 + 327502.

It is an arithmetic number, because the mean of its divisors is an integer number (327502).

2⁶⁵⁵⁰⁰³ is an apocalyptic number.

655003 is a deficient number, since it is larger than the sum of its proper divisors (1).

655003 is an equidigital number, since it uses as much as digits as its factorization.

655003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 655003 is about 809.3225562160. The cubic root of 655003 is about 86.8455886155.

Adding to 655003 its reverse (300556), we get a palindrome (955559).

The spelling of 655003 in words is "six hundred fifty-five thousand, three".