385017203 has 2 divisors, whose sum is σ = 385017204. Its totient is φ = 385017202.

The previous prime is 385017169. The next prime is 385017211. The reversal of 385017203 is 302710583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385017203 - 2¹² = 385013107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385017803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192508601 + 192508602.

It is an arithmetic number, because the mean of its divisors is an integer number (192508602).

Almost surely, 2^385017203 is an apocalyptic number.

385017203 is a deficient number, since it is larger than the sum of its proper divisors (1).

385017203 is an equidigital number, since it uses as much as digits as its factorization.

385017203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 385017203 is about 19621.8552384834. The cubic root of 385017203 is about 727.4894700554.

Adding to 385017203 its reverse (302710583), we get a palindrome (687727786).

The spelling of 385017203 in words is "three hundred eighty-five million, seventeen thousand, two hundred three".