487921653 has 24 divisors (see below), whose sum is σ = 742996800. Its totient is φ = 307692864.

The previous prime is 487921649. The next prime is 487921697. The reversal of 487921653 is 356129784.

487921653 is a `hidden beast` number, since 487 + 9 + 2 + 165 + 3 = 666.

It is not a de Polignac number, because 487921653 - 2² = 487921649 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 487921599 and 487921608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487921613) 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, 136576 + ... + 140102.

It is an arithmetic number, because the mean of its divisors is an integer number (30958200).

Almost surely, 2^487921653 is an apocalyptic number.

It is an amenable number.

487921653 is a deficient number, since it is larger than the sum of its proper divisors (255075147).

487921653 is a wasteful number, since it uses less digits than its factorization.

487921653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361 (or 4358 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 487921653 is about 22088.9486621704. The cubic root of 487921653 is about 787.2573014768.

The spelling of 487921653 in words is "four hundred eighty-seven million, nine hundred twenty-one thousand, six hundred fifty-three".