276195329 has 2 divisors, whose sum is σ = 276195330. Its totient is φ = 276195328.

The previous prime is 276195323. The next prime is 276195371. The reversal of 276195329 is 923591672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227195329 + 49000000 = 15073^2 + 7000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276195329 is a prime.

It is a super-2 number, since 2×276195329² = 152567719522836482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 276195329.

It is not a weakly prime, because it can be changed into another prime (276195323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138097664 + 138097665.

It is an arithmetic number, because the mean of its divisors is an integer number (138097665).

Almost surely, 2^276195329 is an apocalyptic number.

It is an amenable number.

276195329 is a deficient number, since it is larger than the sum of its proper divisors (1).

276195329 is an equidigital number, since it uses as much as digits as its factorization.

276195329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 276195329 is about 16619.1253981670. The cubic root of 276195329 is about 651.2365644029.

The spelling of 276195329 in words is "two hundred seventy-six million, one hundred ninety-five thousand, three hundred twenty-nine".