679345225 has 48 divisors (see below), whose sum is σ = 928829440. Its totient is φ = 489888000.

The previous prime is 679345207. The next prime is 679345237. The reversal of 679345225 is 522543976.

It is not a de Polignac number, because 679345225 - 2⁹ = 679344713 is a prime.

Its product of digits (453600) is a multiple of the sum of its prime divisors (405).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4498900 + ... + 4499050.

Almost surely, 2^679345225 is an apocalyptic number.

679345225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

679345225 is a deficient number, since it is larger than the sum of its proper divisors (249484215).

679345225 is a wasteful number, since it uses less digits than its factorization.

679345225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 405 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 679345225 is about 26064.2518595873. The cubic root of 679345225 is about 879.0835953444.

The spelling of 679345225 in words is "six hundred seventy-nine million, three hundred forty-five thousand, two hundred twenty-five".