487925129 has 2 divisors, whose sum is σ = 487925130. Its totient is φ = 487925128.

The previous prime is 487925083. The next prime is 487925131. The reversal of 487925129 is 921529784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273009529 + 214915600 = 16523^2 + 14660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487925129 is a prime.

Together with 487925131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (487925159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243962564 + 243962565.

It is an arithmetic number, because the mean of its divisors is an integer number (243962565).

Almost surely, 2^487925129 is an apocalyptic number.

It is an amenable number.

487925129 is a deficient number, since it is larger than the sum of its proper divisors (1).

487925129 is an equidigital number, since it uses as much as digits as its factorization.

487925129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 487925129 is about 22089.0273439099. The cubic root of 487925129 is about 787.2591709709.

The spelling of 487925129 in words is "four hundred eighty-seven million, nine hundred twenty-five thousand, one hundred twenty-nine".