670125571 has 2 divisors, whose sum is σ = 670125572. Its totient is φ = 670125570.

The previous prime is 670125559. The next prime is 670125593. The reversal of 670125571 is 175521076.

It is a happy number.

670125571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670125571 - 2¹³ = 670117379 is a prime.

It is not a weakly prime, because it can be changed into another prime (670195571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335062785 + 335062786.

It is an arithmetic number, because the mean of its divisors is an integer number (335062786).

Almost surely, 2^670125571 is an apocalyptic number.

670125571 is a deficient number, since it is larger than the sum of its proper divisors (1).

670125571 is an equidigital number, since it uses as much as digits as its factorization.

670125571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 670125571 is about 25886.7837129297. The cubic root of 670125571 is about 875.0886749859.

The spelling of 670125571 in words is "six hundred seventy million, one hundred twenty-five thousand, five hundred seventy-one".