487584197 has 2 divisors, whose sum is σ = 487584198. Its totient is φ = 487584196.

The previous prime is 487584133. The next prime is 487584239. The reversal of 487584197 is 791485784.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439573156 + 48011041 = 20966^2 + 6929^2 .

It is a cyclic number.

It is not a de Polignac number, because 487584197 - 2⁶ = 487584133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487584397) 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, 243792098 + 243792099.

It is an arithmetic number, because the mean of its divisors is an integer number (243792099).

Almost surely, 2^487584197 is an apocalyptic number.

It is an amenable number.

487584197 is a deficient number, since it is larger than the sum of its proper divisors (1).

487584197 is an equidigital number, since it uses as much as digits as its factorization.

487584197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 53.

The square root of 487584197 is about 22081.3087700888. The cubic root of 487584197 is about 787.0757655218.

The spelling of 487584197 in words is "four hundred eighty-seven million, five hundred eighty-four thousand, one hundred ninety-seven".