987505003 has 2 divisors, whose sum is σ = 987505004. Its totient is φ = 987505002.

The previous prime is 987504989. The next prime is 987505081. The reversal of 987505003 is 300505789.

It is a weak prime.

It is an emirp because it is prime and its reverse (300505789) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-987505003 is a prime.

It is a super-3 number, since 3×987505003³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (987515003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493752501 + 493752502.

It is an arithmetic number, because the mean of its divisors is an integer number (493752502).

Almost surely, 2^987505003 is an apocalyptic number.

987505003 is a deficient number, since it is larger than the sum of its proper divisors (1).

987505003 is an equidigital number, since it uses as much as digits as its factorization.

987505003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 987505003 is about 31424.5923283024. The cubic root of 987505003 is about 995.8175323524.

The spelling of 987505003 in words is "nine hundred eighty-seven million, five hundred five thousand, three".