581882012 has 6 divisors (see below), whose sum is σ = 1018293528. Its totient is φ = 290941004.

The previous prime is 581881987. The next prime is 581882033. The reversal of 581882012 is 210288185.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72735248 + ... + 72735255.

It is an arithmetic number, because the mean of its divisors is an integer number (169715588).

Almost surely, 2^581882012 is an apocalyptic number.

It is an amenable number.

581882012 is a deficient number, since it is larger than the sum of its proper divisors (436411516).

581882012 is a wasteful number, since it uses less digits than its factorization.

581882012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145470507 (or 145470505 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 581882012 is about 24122.2306597048. The cubic root of 581882012 is about 834.8561369037.

The spelling of 581882012 in words is "five hundred eighty-one million, eight hundred eighty-two thousand, twelve".