385006603 has 2 divisors, whose sum is σ = 385006604. Its totient is φ = 385006602.

The previous prime is 385006529. The next prime is 385006619. The reversal of 385006603 is 306600583.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385006603 is a prime.

It is not a weakly prime, because it can be changed into another prime (385006673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192503301 + 192503302.

It is an arithmetic number, because the mean of its divisors is an integer number (192503302).

Almost surely, 2^385006603 is an apocalyptic number.

385006603 is a deficient number, since it is larger than the sum of its proper divisors (1).

385006603 is an equidigital number, since it uses as much as digits as its factorization.

385006603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 385006603 is about 19621.5851296474. The cubic root of 385006603 is about 727.4827937657.

The spelling of 385006603 in words is "three hundred eighty-five million, six thousand, six hundred three".