487749593 has 2 divisors, whose sum is σ = 487749594. Its totient is φ = 487749592.

The previous prime is 487749547. The next prime is 487749617. The reversal of 487749593 is 395947784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459159184 + 28590409 = 21428^2 + 5347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487749593 is a prime.

It is not a weakly prime, because it can be changed into another prime (487740593) 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, 243874796 + 243874797.

It is an arithmetic number, because the mean of its divisors is an integer number (243874797).

Almost surely, 2^487749593 is an apocalyptic number.

It is an amenable number.

487749593 is a deficient number, since it is larger than the sum of its proper divisors (1).

487749593 is an equidigital number, since it uses as much as digits as its factorization.

487749593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 487749593 is about 22085.0536109832. The cubic root of 487749593 is about 787.1647514975.

The spelling of 487749593 in words is "four hundred eighty-seven million, seven hundred forty-nine thousand, five hundred ninety-three".