152068309 has 2 divisors, whose sum is σ = 152068310. Its totient is φ = 152068308.

The previous prime is 152068307. The next prime is 152068321. The reversal of 152068309 is 903860251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124211025 + 27857284 = 11145^2 + 5278^2 .

It is a cyclic number.

It is not a de Polignac number, because 152068309 - 2¹ = 152068307 is a prime.

Together with 152068307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152068307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76034154 + 76034155.

It is an arithmetic number, because the mean of its divisors is an integer number (76034155).

Almost surely, 2^152068309 is an apocalyptic number.

It is an amenable number.

152068309 is a deficient number, since it is larger than the sum of its proper divisors (1).

152068309 is an equidigital number, since it uses as much as digits as its factorization.

152068309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 152068309 is about 12331.5979905282. The cubic root of 152068309 is about 533.7602633190.

The spelling of 152068309 in words is "one hundred fifty-two million, sixty-eight thousand, three hundred nine".