851297329 has 9 divisors (see below), whose sum is σ = 861363993. Its totient is φ = 841347972.

The previous prime is 851297297. The next prime is 851297341. The reversal of 851297329 is 923792158.

The square root of 851297329 is 29177.

It is a perfect power (a square), and thus also a powerful number.

851297329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 851297329 - 2⁵ = 851297297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (851297399) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4755762 + ... + 4755940.

Almost surely, 2^851297329 is an apocalyptic number.

851297329 is the 29177-th square number.

851297329 is the 14589-th centered octagonal number.

It is an amenable number.

851297329 is a deficient number, since it is larger than the sum of its proper divisors (10066664).

851297329 is an frugal number, since it uses more digits than its factorization.

851297329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 342 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The cubic root of 851297329 is about 947.7499210542.

The spelling of 851297329 in words is "eight hundred fifty-one million, two hundred ninety-seven thousand, three hundred twenty-nine".