670439527 has 2 divisors, whose sum is σ = 670439528. Its totient is φ = 670439526.

The previous prime is 670439521. The next prime is 670439533. The reversal of 670439527 is 725934076.

It is a balanced prime because it is at equal distance from previous prime (670439521) and next prime (670439533).

It is a cyclic number.

It is not a de Polignac number, because 670439527 - 2¹¹ = 670437479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670439521) 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 as a sum of consecutive naturals, namely, 335219763 + 335219764.

It is an arithmetic number, because the mean of its divisors is an integer number (335219764).

Almost surely, 2^670439527 is an apocalyptic number.

670439527 is a deficient number, since it is larger than the sum of its proper divisors (1).

670439527 is an equidigital number, since it uses as much as digits as its factorization.

670439527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 670439527 is about 25892.8470238404. The cubic root of 670439527 is about 875.2253142755.

The spelling of 670439527 in words is "six hundred seventy million, four hundred thirty-nine thousand, five hundred twenty-seven".