670348225 has 12 divisors (see below), whose sum is σ = 867373056. Its totient is φ = 512961680.

The previous prime is 670348219. The next prime is 670348241. The reversal of 670348225 is 522843076.

It is not a de Polignac number, because 670348225 - 2⁵ = 670348193 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 582337 + ... + 583486.

It is an arithmetic number, because the mean of its divisors is an integer number (72281088).

Almost surely, 2^670348225 is an apocalyptic number.

It is an amenable number.

670348225 is a deficient number, since it is larger than the sum of its proper divisors (197024831).

670348225 is a wasteful number, since it uses less digits than its factorization.

670348225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165856 (or 1165851 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 670348225 is about 25891.0838900190. The cubic root of 670348225 is about 875.1855824050.

The spelling of 670348225 in words is "six hundred seventy million, three hundred forty-eight thousand, two hundred twenty-five".