1487494529 has 2 divisors, whose sum is σ = 1487494530. Its totient is φ = 1487494528.

The previous prime is 1487494511. The next prime is 1487494583. The reversal of 1487494529 is 9254947841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842334529 + 645160000 = 29023^2 + 25400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1487494529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1487494429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743747264 + 743747265.

It is an arithmetic number, because the mean of its divisors is an integer number (743747265).

Almost surely, 2^1487494529 is an apocalyptic number.

It is an amenable number.

1487494529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487494529 is an equidigital number, since it uses as much as digits as its factorization.

1487494529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 1487494529 is about 38568.0506248371. The cubic root of 1487494529 is about 1141.5242074705.

The spelling of 1487494529 in words is "one billion, four hundred eighty-seven million, four hundred ninety-four thousand, five hundred twenty-nine".