487548931 has 4 divisors (see below), whose sum is σ = 487603864. Its totient is φ = 487494000.

The previous prime is 487548881. The next prime is 487548947. The reversal of 487548931 is 139845784.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 487548931 - 2¹⁷ = 487417859 is a prime.

It is a super-2 number, since 2×487548931² = 475407920238485522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487548991) 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, 10770 + ... + 33031.

It is an arithmetic number, because the mean of its divisors is an integer number (121900966).

Almost surely, 2^487548931 is an apocalyptic number.

487548931 is a deficient number, since it is larger than the sum of its proper divisors (54933).

487548931 is a wasteful number, since it uses less digits than its factorization.

487548931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54932.

The product of its digits is 967680, while the sum is 49.

The square root of 487548931 is about 22080.5102069676. The cubic root of 487548931 is about 787.0567891868.

The spelling of 487548931 in words is "four hundred eighty-seven million, five hundred forty-eight thousand, nine hundred thirty-one".