994297573 has 2 divisors, whose sum is σ = 994297574. Its totient is φ = 994297572.

The previous prime is 994297523. The next prime is 994297583. The reversal of 994297573 is 375792499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751966084 + 242331489 = 27422^2 + 15567^2 .

It is a cyclic number.

It is not a de Polignac number, because 994297573 - 2²⁹ = 457426661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994297523) 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, 497148786 + 497148787.

It is an arithmetic number, because the mean of its divisors is an integer number (497148787).

Almost surely, 2^994297573 is an apocalyptic number.

It is an amenable number.

994297573 is a deficient number, since it is larger than the sum of its proper divisors (1).

994297573 is an equidigital number, since it uses as much as digits as its factorization.

994297573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 55.

The square root of 994297573 is about 31532.4844089393. The cubic root of 994297573 is about 998.0955664352.

The spelling of 994297573 in words is "nine hundred ninety-four million, two hundred ninety-seven thousand, five hundred seventy-three".