705825 has 18 divisors (see below), whose sum is σ = 1264614. Its totient is φ = 376320.

The previous prime is 705821. The next prime is 705827. The reversal of 705825 is 528507.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 242064 + 463761 = 492^2 + 681^2 .

It is not a de Polignac number, because 705825 - 2² = 705821 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 705825.

It is not an unprimeable number, because it can be changed into a prime (705821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1344 + ... + 1793.

2⁷⁰⁵⁸²⁵ is an apocalyptic number.

705825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

705825 is a deficient number, since it is larger than the sum of its proper divisors (558789).

705825 is a wasteful number, since it uses less digits than its factorization.

705825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3145 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 705825 is about 840.1339178964. The cubic root of 705825 is about 89.0360078177.

The spelling of 705825 in words is "seven hundred five thousand, eight hundred twenty-five".