381359603 has 2 divisors, whose sum is σ = 381359604. Its totient is φ = 381359602.

The previous prime is 381359591. The next prime is 381359653. The reversal of 381359603 is 306953183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381359603 - 2⁸ = 381359347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (381359653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190679801 + 190679802.

It is an arithmetic number, because the mean of its divisors is an integer number (190679802).

Almost surely, 2^381359603 is an apocalyptic number.

381359603 is a deficient number, since it is larger than the sum of its proper divisors (1).

381359603 is an equidigital number, since it uses as much as digits as its factorization.

381359603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 381359603 is about 19528.4306333100. The cubic root of 381359603 is about 725.1784597544.

The spelling of 381359603 in words is "three hundred eighty-one million, three hundred fifty-nine thousand, six hundred three".