654940203 has 32 divisors (see below), whose sum is σ = 967887360. Its totient is φ = 392071680.

The previous prime is 654940183. The next prime is 654940207. The reversal of 654940203 is 302049456.

It is not a de Polignac number, because 654940203 - 2¹⁶ = 654874667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654940207) 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 in 31 ways as a sum of consecutive naturals, for example, 145933 + ... + 150353.

It is an arithmetic number, because the mean of its divisors is an integer number (30246480).

Almost surely, 2^654940203 is an apocalyptic number.

654940203 is a deficient number, since it is larger than the sum of its proper divisors (312947157).

654940203 is a wasteful number, since it uses less digits than its factorization.

654940203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 654940203 is about 25591.7995264108. The cubic root of 654940203 is about 868.4281314892.

Adding to 654940203 its reverse (302049456), we get a palindrome (956989659).

The spelling of 654940203 in words is "six hundred fifty-four million, nine hundred forty thousand, two hundred three".