152816291 has 2 divisors, whose sum is σ = 152816292. Its totient is φ = 152816290.

The previous prime is 152816243. The next prime is 152816351. The reversal of 152816291 is 192618251.

152816291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152816291 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (152816491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76408145 + 76408146.

It is an arithmetic number, because the mean of its divisors is an integer number (76408146).

Almost surely, 2^152816291 is an apocalyptic number.

152816291 is a deficient number, since it is larger than the sum of its proper divisors (1).

152816291 is an equidigital number, since it uses as much as digits as its factorization.

152816291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 35.

The square root of 152816291 is about 12361.8886502023. Note that the first 3 decimals coincide. The cubic root of 152816291 is about 534.6339721279.

The spelling of 152816291 in words is "one hundred fifty-two million, eight hundred sixteen thousand, two hundred ninety-one".