380651603 has 2 divisors, whose sum is σ = 380651604. Its totient is φ = 380651602.

The previous prime is 380651591. The next prime is 380651611. The reversal of 380651603 is 306156083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380651603 - 2⁸ = 380651347 is a prime.

It is equal to p_20358518 and since 380651603 and 20358518 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380651603.

It is not a weakly prime, because it can be changed into another prime (380651683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190325801 + 190325802.

It is an arithmetic number, because the mean of its divisors is an integer number (190325802).

Almost surely, 2^380651603 is an apocalyptic number.

380651603 is a deficient number, since it is larger than the sum of its proper divisors (1).

380651603 is an equidigital number, since it uses as much as digits as its factorization.

380651603 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 32.

The square root of 380651603 is about 19510.2947953126. The cubic root of 380651603 is about 724.7294134111.

The spelling of 380651603 in words is "three hundred eighty million, six hundred fifty-one thousand, six hundred three".