487285649 has 2 divisors, whose sum is σ = 487285650. Its totient is φ = 487285648.

The previous prime is 487285537. The next prime is 487285693. The reversal of 487285649 is 946582784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486511249 + 774400 = 22057^2 + 880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487285649 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487285649.

It is not a weakly prime, because it can be changed into another prime (487285349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243642824 + 243642825.

It is an arithmetic number, because the mean of its divisors is an integer number (243642825).

Almost surely, 2^487285649 is an apocalyptic number.

It is an amenable number.

487285649 is a deficient number, since it is larger than the sum of its proper divisors (1).

487285649 is an equidigital number, since it uses as much as digits as its factorization.

487285649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 53.

The square root of 487285649 is about 22074.5475378319. The cubic root of 487285649 is about 786.9150904542.

The spelling of 487285649 in words is "four hundred eighty-seven million, two hundred eighty-five thousand, six hundred forty-nine".