803281052532 has 144 divisors (see below), whose sum is σ = 2191946400000. Its totient is φ = 228288807936.

The previous prime is 803281052521. The next prime is 803281052537. The reversal of 803281052532 is 235250182308.

It is a super-2 number, since 2×803281052532² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803281052537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147415344 + ... + 147420792.

It is an arithmetic number, because the mean of its divisors is an integer number (15221850000).

Almost surely, 2^803281052532 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 803281052532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095973200000).

803281052532 is an abundant number, since it is smaller than the sum of its proper divisors (1388665347468).

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

803281052532 is a wasteful number, since it uses less digits than its factorization.

803281052532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758 (or 6749 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 803281052532 in words is "eight hundred three billion, two hundred eighty-one million, fifty-two thousand, five hundred thirty-two".