485657571 has 24 divisors (see below), whose sum is σ = 757467984. Its totient is φ = 275970240.

The previous prime is 485657569. The next prime is 485657573. The reversal of 485657571 is 175756584.

It is an interprime number because it is at equal distance from previous prime (485657569) and next prime (485657573).

It is not a de Polignac number, because 485657571 - 2¹ = 485657569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485657571.

It is not an unprimeable number, because it can be changed into a prime (485657573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17481 + ... + 35733.

It is an arithmetic number, because the mean of its divisors is an integer number (31561166).

Almost surely, 2^485657571 is an apocalyptic number.

485657571 is a deficient number, since it is larger than the sum of its proper divisors (271810413).

485657571 is a wasteful number, since it uses less digits than its factorization.

485657571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18451 (or 18444 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 48.

The square root of 485657571 is about 22037.6398690967. The cubic root of 485657571 is about 786.0377209979.

The spelling of 485657571 in words is "four hundred eighty-five million, six hundred fifty-seven thousand, five hundred seventy-one".