487943563 has 2 divisors, whose sum is σ = 487943564. Its totient is φ = 487943562.

The previous prime is 487943543. The next prime is 487943567. The reversal of 487943563 is 365349784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487943563 - 2⁹ = 487943051 is a prime.

It is not a weakly prime, because it can be changed into another prime (487943567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243971781 + 243971782.

It is an arithmetic number, because the mean of its divisors is an integer number (243971782).

Almost surely, 2^487943563 is an apocalyptic number.

487943563 is a deficient number, since it is larger than the sum of its proper divisors (1).

487943563 is an equidigital number, since it uses as much as digits as its factorization.

487943563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 49.

The square root of 487943563 is about 22089.4446059651. Note that the first 3 decimals coincide. The cubic root of 487943563 is about 787.2690851646.

The spelling of 487943563 in words is "four hundred eighty-seven million, nine hundred forty-three thousand, five hundred sixty-three".