670555003 has 2 divisors, whose sum is σ = 670555004. Its totient is φ = 670555002.

The previous prime is 670554971. The next prime is 670555013. The reversal of 670555003 is 300555076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670555003 - 2⁵ = 670554971 is a prime.

It is not a weakly prime, because it can be changed into another prime (670555013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335277501 + 335277502.

It is an arithmetic number, because the mean of its divisors is an integer number (335277502).

Almost surely, 2^670555003 is an apocalyptic number.

670555003 is a deficient number, since it is larger than the sum of its proper divisors (1).

670555003 is an equidigital number, since it uses as much as digits as its factorization.

670555003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 670555003 is about 25895.0768100811. The cubic root of 670555003 is about 875.2755607741.

The spelling of 670555003 in words is "six hundred seventy million, five hundred fifty-five thousand, three".