487656503 has 2 divisors, whose sum is σ = 487656504. Its totient is φ = 487656502.

The previous prime is 487656497. The next prime is 487656523. The reversal of 487656503 is 305656784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487656503 - 2¹⁴ = 487640119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487656523) 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 as a sum of consecutive naturals, namely, 243828251 + 243828252.

It is an arithmetic number, because the mean of its divisors is an integer number (243828252).

Almost surely, 2^487656503 is an apocalyptic number.

487656503 is a deficient number, since it is larger than the sum of its proper divisors (1).

487656503 is an equidigital number, since it uses as much as digits as its factorization.

487656503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 487656503 is about 22082.9459764770. The cubic root of 487656503 is about 787.1146699050.

The spelling of 487656503 in words is "four hundred eighty-seven million, six hundred fifty-six thousand, five hundred three".