381049003 has 2 divisors, whose sum is σ = 381049004. Its totient is φ = 381049002.

The previous prime is 381048979. The next prime is 381049007. The reversal of 381049003 is 300940183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381049003 - 2¹⁷ = 380917931 is a prime.

It is not a weakly prime, because it can be changed into another prime (381049007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190524501 + 190524502.

It is an arithmetic number, because the mean of its divisors is an integer number (190524502).

Almost surely, 2^381049003 is an apocalyptic number.

381049003 is a deficient number, since it is larger than the sum of its proper divisors (1).

381049003 is an equidigital number, since it uses as much as digits as its factorization.

381049003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 381049003 is about 19520.4765054545. The cubic root of 381049003 is about 724.9815313567.

Adding to 381049003 its reverse (300940183), we get a palindrome (681989186).

The spelling of 381049003 in words is "three hundred eighty-one million, forty-nine thousand, three".