487459549 has 2 divisors, whose sum is σ = 487459550. Its totient is φ = 487459548.

The previous prime is 487459543. The next prime is 487459561. The reversal of 487459549 is 945954784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314352900 + 173106649 = 17730^2 + 13157^2 .

It is a cyclic number.

It is not a de Polignac number, because 487459549 - 2³ = 487459541 is a prime.

It is a super-2 number, since 2×487459549² = 475233623822566802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 487459549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487459541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243729774 + 243729775.

It is an arithmetic number, because the mean of its divisors is an integer number (243729775).

Almost surely, 2^487459549 is an apocalyptic number.

It is an amenable number.

487459549 is a deficient number, since it is larger than the sum of its proper divisors (1).

487459549 is an equidigital number, since it uses as much as digits as its factorization.

487459549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 55.

The square root of 487459549 is about 22078.4861120503. The cubic root of 487459549 is about 787.0086893929.

The spelling of 487459549 in words is "four hundred eighty-seven million, four hundred fifty-nine thousand, five hundred forty-nine".