676825 has 6 divisors (see below), whose sum is σ = 839294. Its totient is φ = 541440.

The previous prime is 676807. The next prime is 676829. The reversal of 676825 is 528676.

It can be written as a sum of positive squares in 3 ways, for example, as 41616 + 635209 = 204^2 + 797^2 .

It is not a de Polignac number, because 676825 - 2¹⁵ = 644057 is a prime.

It is an Ulam number.

It is a Duffinian number.

676825 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (676829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13512 + ... + 13561.

2⁶⁷⁶⁸²⁵ is an apocalyptic number.

It is an amenable number.

676825 is a deficient number, since it is larger than the sum of its proper divisors (162469).

676825 is a wasteful number, since it uses less digits than its factorization.

676825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27083 (or 27078 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 676825 is about 822.6937461778. The cubic root of 676825 is about 87.7995177804.

The spelling of 676825 in words is "six hundred seventy-six thousand, eight hundred twenty-five".