676811925 has 18 divisors (see below), whose sum is σ = 1212245762. Its totient is φ = 360966240.

The previous prime is 676811923. The next prime is 676811929. The reversal of 676811925 is 529118676.

It can be written as a sum of positive squares in 3 ways, for example, as 101243844 + 575568081 = 10062^2 + 23991^2 .

It is not a de Polignac number, because 676811925 - 2¹ = 676811923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676811923) 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, 1503802 + ... + 1504251.

Almost surely, 2^676811925 is an apocalyptic number.

It is an amenable number.

676811925 is a deficient number, since it is larger than the sum of its proper divisors (535433837).

676811925 is a wasteful number, since it uses less digits than its factorization.

676811925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008069 (or 3008061 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 676811925 is about 26015.6092567520. The cubic root of 676811925 is about 877.9895240230.

The spelling of 676811925 in words is "six hundred seventy-six million, eight hundred eleven thousand, nine hundred twenty-five".