1000533155 has 8 divisors (see below), whose sum is σ = 1201072992. Its totient is φ = 800137728.

The previous prime is 1000533137. The next prime is 1000533167. The reversal of 1000533155 is 5513350001.

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 1000533155 - 2⁸ = 1000532899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000533155.

It is an unprimeable number.

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, 20222 + ... + 49091.

It is an arithmetic number, because the mean of its divisors is an integer number (150134124).

Almost surely, 2^1000533155 is an apocalyptic number.

1000533155 is a deficient number, since it is larger than the sum of its proper divisors (200539837).

1000533155 is an equidigital number, since it uses as much as digits as its factorization.

1000533155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72205.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 1000533155 is about 31631.2053990992. The cubic root of 1000533155 is about 1000.1776867589.

Adding to 1000533155 its reverse (5513350001), we get a palindrome (6513883156).

The spelling of 1000533155 in words is "one billion, five hundred thirty-three thousand, one hundred fifty-five".