581013217 has 8 divisors (see below), whose sum is σ = 611825760. Its totient is φ = 550224000.

The previous prime is 581013203. The next prime is 581013263. The reversal of 581013217 is 712310185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 581013217 - 2¹⁹ = 580488929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (581013287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72198 + ... + 79840.

It is an arithmetic number, because the mean of its divisors is an integer number (76478220).

Almost surely, 2^581013217 is an apocalyptic number.

It is an amenable number.

581013217 is a deficient number, since it is larger than the sum of its proper divisors (30812543).

581013217 is a wasteful number, since it uses less digits than its factorization.

581013217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11663.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 581013217 is about 24104.2157516066. The cubic root of 581013217 is about 834.4404282732.

The spelling of 581013217 in words is "five hundred eighty-one million, thirteen thousand, two hundred seventeen".