1005531232 has 48 divisors (see below), whose sum is σ = 2147260752. Its totient is φ = 461639680.

The previous prime is 1005531223. The next prime is 1005531251. The reversal of 1005531232 is 2321355001.

It is a super-2 number, since 2×1005531232² = 2022186117054875648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238 + ... + 44845.

It is an arithmetic number, because the mean of its divisors is an integer number (44734599).

Almost surely, 2^1005531232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005531232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073630376).

1005531232 is an abundant number, since it is smaller than the sum of its proper divisors (1141729520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005531232 is a wasteful number, since it uses less digits than its factorization.

1005531232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45151 (or 45143 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1005531232 is about 31710.1124564389. The cubic root of 1005531232 is about 1001.8403550157.

Adding to 1005531232 its reverse (2321355001), we get a palindrome (3326886233).

The spelling of 1005531232 in words is "one billion, five million, five hundred thirty-one thousand, two hundred thirty-two".