685536003 has 12 divisors (see below), whose sum is σ = 994545760. Its totient is φ = 455026896.

The previous prime is 685536001. The next prime is 685536023. The reversal of 685536003 is 300635586.

It is not a de Polignac number, because 685536003 - 2¹ = 685536001 is a prime.

It is a super-2 number, since 2×685536003² = 939919222818432018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685536001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164251 + ... + 168372.

Almost surely, 2^685536003 is an apocalyptic number.

685536003 is a deficient number, since it is larger than the sum of its proper divisors (309009757).

685536003 is a wasteful number, since it uses less digits than its factorization.

685536003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332858 (or 332855 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 685536003 is about 26182.7424652193. The cubic root of 685536003 is about 881.7458466812.

The spelling of 685536003 in words is "six hundred eighty-five million, five hundred thirty-six thousand, three".