488933561 has 4 divisors (see below), whose sum is σ = 493419300. Its totient is φ = 484447824.

The previous prime is 488933551. The next prime is 488933597. The reversal of 488933561 is 165339884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 303456400 + 185477161 = 17420^2 + 13619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488933561 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 (488933551) 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 3 ways as a sum of consecutive naturals, for example, 2242706 + ... + 2242923.

It is an arithmetic number, because the mean of its divisors is an integer number (123354825).

Almost surely, 2^488933561 is an apocalyptic number.

It is an amenable number.

488933561 is a deficient number, since it is larger than the sum of its proper divisors (4485739).

488933561 is a wasteful number, since it uses less digits than its factorization.

488933561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485738.

The product of its digits is 622080, while the sum is 47.

The square root of 488933561 is about 22111.8420987488. The cubic root of 488933561 is about 787.8011605674.

The spelling of 488933561 in words is "four hundred eighty-eight million, nine hundred thirty-three thousand, five hundred sixty-one".