994571 has 2 divisors, whose sum is σ = 994572. Its totient is φ = 994570.

The previous prime is 994561. The next prime is 994579. The reversal of 994571 is 175499.

It is a strong prime.

It is an emirp because it is prime and its reverse (175499) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (994579) 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, 497285 + 497286.

It is an arithmetic number, because the mean of its divisors is an integer number (497286).

2⁹⁹⁴⁵⁷¹ is an apocalyptic number.

994571 is a deficient number, since it is larger than the sum of its proper divisors (1).

994571 is an equidigital number, since it uses as much as digits as its factorization.

994571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 35.

The square root of 994571 is about 997.2818057099. The cubic root of 994571 is about 99.8187048527.

The spelling of 994571 in words is "nine hundred ninety-four thousand, five hundred seventy-one".