685433375 has 16 divisors (see below), whose sum is σ = 933188256. Its totient is φ = 498496000.

The previous prime is 685433363. The next prime is 685433381. The reversal of 685433375 is 573334586.

It is not a de Polignac number, because 685433375 - 2¹⁸ = 685171231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247874 + ... + 250623.

It is an arithmetic number, because the mean of its divisors is an integer number (58324266).

Almost surely, 2^685433375 is an apocalyptic number.

685433375 is a deficient number, since it is larger than the sum of its proper divisors (247754881).

685433375 is a wasteful number, since it uses less digits than its factorization.

685433375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498523 (or 498513 counting only the distinct ones).

The product of its digits is 907200, while the sum is 44.

The square root of 685433375 is about 26180.7825513295. The cubic root of 685433375 is about 881.7018439698.

The spelling of 685433375 in words is "six hundred eighty-five million, four hundred thirty-three thousand, three hundred seventy-five".