487944497 has 2 divisors, whose sum is σ = 487944498. Its totient is φ = 487944496.

The previous prime is 487944481. The next prime is 487944511. The reversal of 487944497 is 794449784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482417296 + 5527201 = 21964^2 + 2351^2 .

It is a cyclic number.

It is not a de Polignac number, because 487944497 - 2⁴ = 487944481 is a prime.

It is not a weakly prime, because it can be changed into another prime (487944407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243972248 + 243972249.

It is an arithmetic number, because the mean of its divisors is an integer number (243972249).

Almost surely, 2^487944497 is an apocalyptic number.

It is an amenable number.

487944497 is a deficient number, since it is larger than the sum of its proper divisors (1).

487944497 is an equidigital number, since it uses as much as digits as its factorization.

487944497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 56.

The square root of 487944497 is about 22089.4657472742. The cubic root of 487944497 is about 787.2695874829.

The spelling of 487944497 in words is "four hundred eighty-seven million, nine hundred forty-four thousand, four hundred ninety-seven".