1000053381 has 8 divisors (see below), whose sum is σ = 1335359520. Its totient is φ = 665724752.

The previous prime is 1000053331. The next prime is 1000053401. The reversal of 1000053381 is 1833500001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000053381 - 2⁷ = 1000053253 is a prime.

It is a super-2 number, since 2×1000053381² = 2000213529699062322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000053331) 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 in 7 ways as a sum of consecutive naturals, for example, 241986 + ... + 246083.

It is an arithmetic number, because the mean of its divisors is an integer number (166919940).

Almost surely, 2^1000053381 is an apocalyptic number.

It is an amenable number.

1000053381 is a deficient number, since it is larger than the sum of its proper divisors (335306139).

1000053381 is an equidigital number, since it uses as much as digits as its factorization.

1000053381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488755.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1000053381 is about 31623.6206181392. The cubic root of 1000053381 is about 1000.0177933501.

Adding to 1000053381 its reverse (1833500001), we get a palindrome (2833553382).

The spelling of 1000053381 in words is "one billion, fifty-three thousand, three hundred eighty-one".