487648523 has 2 divisors, whose sum is σ = 487648524. Its totient is φ = 487648522.

The previous prime is 487648501. The next prime is 487648591. The reversal of 487648523 is 325846784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487648523 is a prime.

It is not a weakly prime, because it can be changed into another prime (487668523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243824261 + 243824262.

It is an arithmetic number, because the mean of its divisors is an integer number (243824262).

Almost surely, 2^487648523 is an apocalyptic number.

487648523 is a deficient number, since it is larger than the sum of its proper divisors (1).

487648523 is an equidigital number, since it uses as much as digits as its factorization.

487648523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 47.

The square root of 487648523 is about 22082.7652933232. The cubic root of 487648523 is about 787.1103764394.

The spelling of 487648523 in words is "four hundred eighty-seven million, six hundred forty-eight thousand, five hundred twenty-three".