685183532 has 12 divisors (see below), whose sum is σ = 1308077736. Its totient is φ = 311447040.

The previous prime is 685183519. The next prime is 685183561. The reversal of 685183532 is 235381586.

It is a self number, because there is not a number n which added to its sum of digits gives 685183532.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7786133 + ... + 7786220.

It is an arithmetic number, because the mean of its divisors is an integer number (109006478).

Almost surely, 2^685183532 is an apocalyptic number.

It is an amenable number.

685183532 is a deficient number, since it is larger than the sum of its proper divisors (622894204).

685183532 is a wasteful number, since it uses less digits than its factorization.

685183532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15572368 (or 15572366 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 685183532 is about 26176.0106204135. The cubic root of 685183532 is about 881.5947030900.

The spelling of 685183532 in words is "six hundred eighty-five million, one hundred eighty-three thousand, five hundred thirty-two".