670225049 has 4 divisors (see below), whose sum is σ = 721780836. Its totient is φ = 618669264.

The previous prime is 670225043. The next prime is 670225099. The reversal of 670225049 is 940522076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222606400 + 447618649 = 14920^2 + 21157^2 .

It is a cyclic number.

It is not a de Polignac number, because 670225049 - 2⁴ = 670225033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670225043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25777874 + ... + 25777899.

It is an arithmetic number, because the mean of its divisors is an integer number (180445209).

Almost surely, 2^670225049 is an apocalyptic number.

It is an amenable number.

670225049 is a deficient number, since it is larger than the sum of its proper divisors (51555787).

670225049 is a wasteful number, since it uses less digits than its factorization.

670225049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51555786.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 670225049 is about 25888.7050467960. The cubic root of 670225049 is about 875.1319742161.

The spelling of 670225049 in words is "six hundred seventy million, two hundred twenty-five thousand, forty-nine".