581339012 has 12 divisors (see below), whose sum is σ = 1017569280. Its totient is φ = 290604936.

The previous prime is 581338999. The next prime is 581339027. The reversal of 581339012 is 210933185.

It is a super-2 number, since 2×581339012² = 675910093746272288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 581339012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8189 + ... + 35067.

It is an arithmetic number, because the mean of its divisors is an integer number (84797440).

Almost surely, 2^581339012 is an apocalyptic number.

It is an amenable number.

581339012 is a deficient number, since it is larger than the sum of its proper divisors (436230268).

581339012 is a wasteful number, since it uses less digits than its factorization.

581339012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32290 (or 32288 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 581339012 is about 24110.9728546983. The cubic root of 581339012 is about 834.5963660465.

The spelling of 581339012 in words is "five hundred eighty-one million, three hundred thirty-nine thousand, twelve".