653203 has 2 divisors, whose sum is σ = 653204. Its totient is φ = 653202.

The previous prime is 653197. The next prime is 653207. The reversal of 653203 is 302356.

653203 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 653203 - 2¹³ = 645011 is a prime.

It is not a weakly prime, because it can be changed into another prime (653207) 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, 326601 + 326602.

It is an arithmetic number, because the mean of its divisors is an integer number (326602).

2⁶⁵³²⁰³ is an apocalyptic number.

653203 is a deficient number, since it is larger than the sum of its proper divisors (1).

653203 is an equidigital number, since it uses as much as digits as its factorization.

653203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 653203 is about 808.2097500031. The cubic root of 653203 is about 86.7659627849.

Adding to 653203 its reverse (302356), we get a palindrome (955559).

The spelling of 653203 in words is "six hundred fifty-three thousand, two hundred three".