996564329 has 2 divisors, whose sum is σ = 996564330. Its totient is φ = 996564328.

The previous prime is 996564319. The next prime is 996564337. The reversal of 996564329 is 923465699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705008704 + 291555625 = 26552^2 + 17075^2 .

It is a cyclic number.

It is not a de Polignac number, because 996564329 - 2¹⁶ = 996498793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (996564319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498282164 + 498282165.

It is an arithmetic number, because the mean of its divisors is an integer number (498282165).

Almost surely, 2^996564329 is an apocalyptic number.

It is an amenable number.

996564329 is a deficient number, since it is larger than the sum of its proper divisors (1).

996564329 is an equidigital number, since it uses as much as digits as its factorization.

996564329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3149280, while the sum is 53.

The square root of 996564329 is about 31568.4071343487. The cubic root of 996564329 is about 998.8534622870.

The spelling of 996564329 in words is "nine hundred ninety-six million, five hundred sixty-four thousand, three hundred twenty-nine".