1055003381 has 2 divisors, whose sum is σ = 1055003382. Its totient is φ = 1055003380.

The previous prime is 1055003371. The next prime is 1055003393. The reversal of 1055003381 is 1833005501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951167281 + 103836100 = 30841^2 + 10190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055003381 - 2¹⁰ = 1055002357 is a prime.

It is a super-2 number, since 2×1055003381² = 2226064267842862322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055003381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055003321) 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, 527501690 + 527501691.

It is an arithmetic number, because the mean of its divisors is an integer number (527501691).

Almost surely, 2^1055003381 is an apocalyptic number.

It is an amenable number.

1055003381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055003381 is an equidigital number, since it uses as much as digits as its factorization.

1055003381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1055003381 is about 32480.8155839720. The cubic root of 1055003381 is about 1018.0082177626.

Adding to 1055003381 its reverse (1833005501), we get a palindrome (2888008882).

The spelling of 1055003381 in words is "one billion, fifty-five million, three thousand, three hundred eighty-one".