581000002 has 16 divisors (see below), whose sum is σ = 955512000. Its totient is φ = 262761840.

The previous prime is 580999999. The next prime is 581000087. The reversal of 581000002 is 200000185.

It is a happy number.

It is a super-2 number, since 2×581000002² = 675122004648000008, 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 581000002.

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, 61977 + ... + 70732.

It is an arithmetic number, because the mean of its divisors is an integer number (59719500).

Almost surely, 2^581000002 is an apocalyptic number.

581000002 is a deficient number, since it is larger than the sum of its proper divisors (374511998).

581000002 is a wasteful number, since it uses less digits than its factorization.

581000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132921.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 581000002 is about 24103.9416278749. The cubic root of 581000002 is about 834.4341018458.

Adding to 581000002 its reverse (200000185), we get a palindrome (781000187).

The spelling of 581000002 in words is "five hundred eighty-one million, two", and thus it is an aban number.