581260485 has 128 divisors (see below), whose sum is σ = 1117670400. Its totient is φ = 255467520.

The previous prime is 581260469. The next prime is 581260489. The reversal of 581260485 is 584062185.

It is not a de Polignac number, because 581260485 - 2⁴ = 581260469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581260489) 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 127 ways as a sum of consecutive naturals, for example, 5332611 + ... + 5332719.

It is an arithmetic number, because the mean of its divisors is an integer number (8731800).

Almost surely, 2^581260485 is an apocalyptic number.

It is an amenable number.

581260485 is a deficient number, since it is larger than the sum of its proper divisors (536409915).

581260485 is a wasteful number, since it uses less digits than its factorization.

581260485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 581260485 is about 24109.3443502722. The cubic root of 581260485 is about 834.5587853929.

The spelling of 581260485 in words is "five hundred eighty-one million, two hundred sixty thousand, four hundred eighty-five".