489712541 has 2 divisors, whose sum is σ = 489712542. Its totient is φ = 489712540.

The previous prime is 489712529. The next prime is 489712577. The reversal of 489712541 is 145217984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487084900 + 2627641 = 22070^2 + 1621^2 .

It is a cyclic number.

It is not a de Polignac number, because 489712541 - 2¹⁰ = 489711517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489712141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244856270 + 244856271.

It is an arithmetic number, because the mean of its divisors is an integer number (244856271).

Almost surely, 2^489712541 is an apocalyptic number.

It is an amenable number.

489712541 is a deficient number, since it is larger than the sum of its proper divisors (1).

489712541 is an equidigital number, since it uses as much as digits as its factorization.

489712541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 489712541 is about 22129.4496316560. The cubic root of 489712541 is about 788.2193194441.

The spelling of 489712541 in words is "four hundred eighty-nine million, seven hundred twelve thousand, five hundred forty-one".