168725 has 12 divisors (see below), whose sum is σ = 222084. Its totient is φ = 126720.

The previous prime is 168719. The next prime is 168731. The reversal of 168725 is 527861.

It is an interprime number because it is at equal distance from previous prime (168719) and next prime (168731).

It can be written as a sum of positive squares in 6 ways, for example, as 1444 + 167281 = 38^2 + 409^2 .

It is a de Polignac number, because none of the positive numbers 2^k-168725 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (18507).

2¹⁶⁸⁷²⁵ is an apocalyptic number.

It is an amenable number.

168725 is a deficient number, since it is larger than the sum of its proper divisors (53359).

168725 is a wasteful number, since it uses less digits than its factorization.

168725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 419 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 168725 is about 410.7614879708. The cubic root of 168725 is about 55.2577434326.

The spelling of 168725 in words is "one hundred sixty-eight thousand, seven hundred twenty-five".