580781513 has 6 divisors (see below), whose sum is σ = 628893774. Its totient is φ = 536105856.

The previous prime is 580781507. The next prime is 580781561. The reversal of 580781513 is 315187085.

It can be written as a sum of positive squares in 3 ways, for example, as 34951744 + 545829769 = 5912^2 + 23363^2 .

It is not a de Polignac number, because 580781513 - 2¹⁶ = 580715977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (580781573) 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 5 ways as a sum of consecutive naturals, for example, 1718120 + ... + 1718457.

It is an arithmetic number, because the mean of its divisors is an integer number (104815629).

Almost surely, 2^580781513 is an apocalyptic number.

It is an amenable number.

580781513 is a deficient number, since it is larger than the sum of its proper divisors (48112261).

580781513 is a wasteful number, since it uses less digits than its factorization.

580781513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436603 (or 3436590 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 580781513 is about 24099.4089761554. The cubic root of 580781513 is about 834.3294905261.

The spelling of 580781513 in words is "five hundred eighty million, seven hundred eighty-one thousand, five hundred thirteen".