974231329 has 2 divisors, whose sum is σ = 974231330. Its totient is φ = 974231328.

The previous prime is 974231317. The next prime is 974231353. The reversal of 974231329 is 923132479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522031104 + 452200225 = 22848^2 + 21265^2 .

It is an emirp because it is prime and its reverse (923132479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 974231329 - 2²⁵ = 940676897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 974231291 and 974231300.

It is not a weakly prime, because it can be changed into another prime (974231029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487115664 + 487115665.

It is an arithmetic number, because the mean of its divisors is an integer number (487115665).

Almost surely, 2^974231329 is an apocalyptic number.

It is an amenable number.

974231329 is a deficient number, since it is larger than the sum of its proper divisors (1).

974231329 is an equidigital number, since it uses as much as digits as its factorization.

974231329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 974231329 is about 31212.6789782614. The cubic root of 974231329 is about 991.3355877792.

The spelling of 974231329 in words is "nine hundred seventy-four million, two hundred thirty-one thousand, three hundred twenty-nine".