994502987 has 2 divisors, whose sum is σ = 994502988. Its totient is φ = 994502986.

The previous prime is 994502963. The next prime is 994503001. The reversal of 994502987 is 789205499.

It is a strong prime.

It is an emirp because it is prime and its reverse (789205499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994502987 - 2¹² = 994498891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (994502917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497251493 + 497251494.

It is an arithmetic number, because the mean of its divisors is an integer number (497251494).

Almost surely, 2^994502987 is an apocalyptic number.

994502987 is a deficient number, since it is larger than the sum of its proper divisors (1).

994502987 is an equidigital number, since it uses as much as digits as its factorization.

994502987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 994502987 is about 31535.7414214412. The cubic root of 994502987 is about 998.1642945809.

The spelling of 994502987 in words is "nine hundred ninety-four million, five hundred two thousand, nine hundred eighty-seven".