676218425 has 12 divisors (see below), whose sum is σ = 842116860. Its totient is φ = 538648320.

The previous prime is 676218397. The next prime is 676218427. The reversal of 676218425 is 524812676.

It can be written as a sum of positive squares in 6 ways, for example, as 44249104 + 631969321 = 6652^2 + 25139^2 .

It is not a de Polignac number, because 676218425 - 2²⁰ = 675169849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (676218427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52220 + ... + 63869.

It is an arithmetic number, because the mean of its divisors is an integer number (70176405).

Almost surely, 2^676218425 is an apocalyptic number.

It is an amenable number.

676218425 is a deficient number, since it is larger than the sum of its proper divisors (165898435).

676218425 is a wasteful number, since it uses less digits than its factorization.

676218425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116332 (or 116327 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 676218425 is about 26004.2001415156. The cubic root of 676218425 is about 877.7328110663.

The spelling of 676218425 in words is "six hundred seventy-six million, two hundred eighteen thousand, four hundred twenty-five".