1050533381 has 8 divisors (see below), whose sum is σ = 1089607680. Its totient is φ = 1011649072.

The previous prime is 1050533369. The next prime is 1050533423. The reversal of 1050533381 is 1833350501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050533381 is a prime.

It is a super-2 number, since 2×1050533381² = 2207240769190582322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050533311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36185 + ... + 58398.

It is an arithmetic number, because the mean of its divisors is an integer number (136200960).

Almost surely, 2^1050533381 is an apocalyptic number.

It is an amenable number.

1050533381 is a deficient number, since it is larger than the sum of its proper divisors (39074299).

1050533381 is an equidigital number, since it uses as much as digits as its factorization.

1050533381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94995.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1050533381 is about 32411.9326946111. The cubic root of 1050533381 is about 1016.5684313337.

Adding to 1050533381 its reverse (1833350501), we get a palindrome (2883883882).

The spelling of 1050533381 in words is "one billion, fifty million, five hundred thirty-three thousand, three hundred eighty-one".