581996052 has 36 divisors (see below), whose sum is σ = 1604899296. Its totient is φ = 176362320.

The previous prime is 581996033. The next prime is 581996057. The reversal of 581996052 is 250699185.

581996052 is a `hidden beast` number, since 581 + 9 + 9 + 60 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 581995989 and 581996007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581996057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 734448 + ... + 735239.

It is an arithmetic number, because the mean of its divisors is an integer number (44580536).

Almost surely, 2^581996052 is an apocalyptic number.

It is an amenable number.

581996052 is an abundant number, since it is smaller than the sum of its proper divisors (1022903244).

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

581996052 is a wasteful number, since it uses less digits than its factorization.

581996052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469708 (or 1469703 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 581996052 is about 24124.5943385583. The cubic root of 581996052 is about 834.9106730312.

The spelling of 581996052 in words is "five hundred eighty-one million, nine hundred ninety-six thousand, fifty-two".