1716125987 has 2 divisors, whose sum is σ = 1716125988. Its totient is φ = 1716125986.

The previous prime is 1716125977. The next prime is 1716126031. The reversal of 1716125987 is 7895216171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1716125987 - 2⁸ = 1716125731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1716125947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858062993 + 858062994.

It is an arithmetic number, because the mean of its divisors is an integer number (858062994).

Almost surely, 2^1716125987 is an apocalyptic number.

1716125987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1716125987 is an equidigital number, since it uses as much as digits as its factorization.

1716125987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 47.

The square root of 1716125987 is about 41426.1510039250. The cubic root of 1716125987 is about 1197.2450660019.

The spelling of 1716125987 in words is "one billion, seven hundred sixteen million, one hundred twenty-five thousand, nine hundred eighty-seven".