487584109 has 2 divisors, whose sum is σ = 487584110. Its totient is φ = 487584108.

The previous prime is 487584101. The next prime is 487584131. The reversal of 487584109 is 901485784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460231209 + 27352900 = 21453^2 + 5230^2 .

It is a cyclic number.

It is not a de Polignac number, because 487584109 - 2³ = 487584101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487584101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243792054 + 243792055.

It is an arithmetic number, because the mean of its divisors is an integer number (243792055).

Almost surely, 2^487584109 is an apocalyptic number.

It is an amenable number.

487584109 is a deficient number, since it is larger than the sum of its proper divisors (1).

487584109 is an equidigital number, since it uses as much as digits as its factorization.

487584109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 487584109 is about 22081.3067774532. The cubic root of 487584109 is about 787.0757181709.

The spelling of 487584109 in words is "four hundred eighty-seven million, five hundred eighty-four thousand, one hundred nine".