685142325 has 72 divisors (see below), whose sum is σ = 1409249088. Its totient is φ = 311696640.

The previous prime is 685142323. The next prime is 685142327. The reversal of 685142325 is 523241586.

685142325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (685142323) and next prime (685142327).

It is not a de Polignac number, because 685142325 - 2¹ = 685142323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 685142325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685142323) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 366042 + ... + 367908.

It is an arithmetic number, because the mean of its divisors is an integer number (19572904).

Almost surely, 2^685142325 is an apocalyptic number.

It is an amenable number.

685142325 is an abundant number, since it is smaller than the sum of its proper divisors (724106763).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685142325 is a wasteful number, since it uses less digits than its factorization.

685142325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2115 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 685142325 is about 26175.2234947479. The cubic root of 685142325 is about 881.5770296738.

The spelling of 685142325 in words is "six hundred eighty-five million, one hundred forty-two thousand, three hundred twenty-five".