994501 has 2 divisors, whose sum is σ = 994502. Its totient is φ = 994500.

The previous prime is 994489. The next prime is 994549. The reversal of 994501 is 105499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 454276 = 735^2 + 674^2 .

It is an emirp because it is prime and its reverse (105499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994501 - 2¹⁵ = 961733 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 994501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994561) 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, 497250 + 497251.

It is an arithmetic number, because the mean of its divisors is an integer number (497251).

2⁹⁹⁴⁵⁰¹ is an apocalyptic number.

It is an amenable number.

994501 is a deficient number, since it is larger than the sum of its proper divisors (1).

994501 is an equidigital number, since it uses as much as digits as its factorization.

994501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 994501 is about 997.2467096963. The cubic root of 994501 is about 99.8163629809.

The spelling of 994501 in words is "nine hundred ninety-four thousand, five hundred one".