823725 has 36 divisors (see below), whose sum is σ = 1689376. Its totient is φ = 375840.

The previous prime is 823723. The next prime is 823727. The reversal of 823725 is 527328.

823725 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 (823723) and next prime (823727).

It is not a de Polignac number, because 823725 - 2¹ = 823723 is a prime.

It is a d-powerful number, because it can be written as 8 + 2⁵ + 7⁷ + 3² + 2⁷ + 5 .

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823721) 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, 1314 + ... + 1836.

2⁸²³⁷²⁵ is an apocalyptic number.

It is an amenable number.

823725 is an abundant number, since it is smaller than the sum of its proper divisors (865651).

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

823725 is a wasteful number, since it uses less digits than its factorization.

823725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 538 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 823725 is about 907.5929704444. The cubic root of 823725 is about 93.7405323772.

The spelling of 823725 in words is "eight hundred twenty-three thousand, seven hundred twenty-five".