381554483 has 2 divisors, whose sum is σ = 381554484. Its totient is φ = 381554482.

The previous prime is 381554461. The next prime is 381554489. The reversal of 381554483 is 384455183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381554483 - 2⁸ = 381554227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381554483.

It is not a weakly prime, because it can be changed into another prime (381554489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190777241 + 190777242.

It is an arithmetic number, because the mean of its divisors is an integer number (190777242).

Almost surely, 2^381554483 is an apocalyptic number.

381554483 is a deficient number, since it is larger than the sum of its proper divisors (1).

381554483 is an equidigital number, since it uses as much as digits as its factorization.

381554483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 41.

The square root of 381554483 is about 19533.4196442917. The cubic root of 381554483 is about 725.3019641068.

The spelling of 381554483 in words is "three hundred eighty-one million, five hundred fifty-four thousand, four hundred eighty-three".