487854561 has 16 divisors (see below), whose sum is σ = 665504640. Its totient is φ = 317802240.

The previous prime is 487854551. The next prime is 487854581. The reversal of 487854561 is 165458784.

It is not a de Polignac number, because 487854561 - 2¹¹ = 487852513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487854561.

It is not an unprimeable number, because it can be changed into a prime (487854511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13935 + ... + 34203.

It is an arithmetic number, because the mean of its divisors is an integer number (41594040).

Almost surely, 2^487854561 is an apocalyptic number.

It is an amenable number.

487854561 is a deficient number, since it is larger than the sum of its proper divisors (177650079).

487854561 is a wasteful number, since it uses less digits than its factorization.

487854561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20456.

The product of its digits is 1075200, while the sum is 48.

The square root of 487854561 is about 22087.4299319771. The cubic root of 487854561 is about 787.2212157052.

The spelling of 487854561 in words is "four hundred eighty-seven million, eight hundred fifty-four thousand, five hundred sixty-one".