487419817 has 2 divisors, whose sum is σ = 487419818. Its totient is φ = 487419816.

The previous prime is 487419799. The next prime is 487419871. The reversal of 487419817 is 718914784.

Together with next prime (487419871) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449609616 + 37810201 = 21204^2 + 6149^2 .

It is a cyclic number.

It is not a de Polignac number, because 487419817 - 2⁷ = 487419689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (487411817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243709908 + 243709909.

It is an arithmetic number, because the mean of its divisors is an integer number (243709909).

Almost surely, 2^487419817 is an apocalyptic number.

It is an amenable number.

487419817 is a deficient number, since it is larger than the sum of its proper divisors (1).

487419817 is an equidigital number, since it uses as much as digits as its factorization.

487419817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 49.

The square root of 487419817 is about 22077.5863037607. The cubic root of 487419817 is about 786.9873062313.

The spelling of 487419817 in words is "four hundred eighty-seven million, four hundred nineteen thousand, eight hundred seventeen".