994297523 has 2 divisors, whose sum is σ = 994297524. Its totient is φ = 994297522.

The previous prime is 994297483. The next prime is 994297573. The reversal of 994297523 is 325792499.

It is an a-pointer prime, because the next prime (994297573) can be obtained adding 994297523 to its sum of digits (50).

It is a weak prime.

994297523 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 994297523 - 2²⁰ = 993248947 is a prime.

It is not a weakly prime, because it can be changed into another prime (994297573) 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, 497148761 + 497148762.

It is an arithmetic number, because the mean of its divisors is an integer number (497148762).

Almost surely, 2^994297523 is an apocalyptic number.

994297523 is a deficient number, since it is larger than the sum of its proper divisors (1).

994297523 is an equidigital number, since it uses as much as digits as its factorization.

994297523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 994297523 is about 31532.4836161061. The cubic root of 994297523 is about 998.0955497048.

The spelling of 994297523 in words is "nine hundred ninety-four million, two hundred ninety-seven thousand, five hundred twenty-three".