685210041 has 36 divisors (see below), whose sum is σ = 1059945744. Its totient is φ = 426441600.

The previous prime is 685210027. The next prime is 685210049. The reversal of 685210041 is 140012586.

It is not a de Polignac number, because 685210041 - 2¹⁰ = 685209017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 685209987 and 685210014.

It is not an unprimeable number, because it can be changed into a prime (685210049) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 339726 + ... + 341736.

Almost surely, 2^685210041 is an apocalyptic number.

It is an amenable number.

685210041 is a deficient number, since it is larger than the sum of its proper divisors (374735703).

685210041 is a wasteful number, since it uses less digits than its factorization.

685210041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 685210041 is about 26176.5169760990. The cubic root of 685210041 is about 881.6060722544.

The spelling of 685210041 in words is "six hundred eighty-five million, two hundred ten thousand, forty-one".