487897 has 2 divisors, whose sum is σ = 487898. Its totient is φ = 487896.

The previous prime is 487891. The next prime is 487933. The reversal of 487897 is 798784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 3481 = 696^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 487897 - 2³ = 487889 is a prime.

487897 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (487891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243948 + 243949.

It is an arithmetic number, because the mean of its divisors is an integer number (243949).

2⁴⁸⁷⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

487897 is a deficient number, since it is larger than the sum of its proper divisors (1).

487897 is an equidigital number, since it uses as much as digits as its factorization.

487897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 43.

The square root of 487897 is about 698.4962419369. The cubic root of 487897 is about 78.7244042121.

The spelling of 487897 in words is "four hundred eighty-seven thousand, eight hundred ninety-seven".