152776313 has 2 divisors, whose sum is σ = 152776314. Its totient is φ = 152776312.

The previous prime is 152776307. The next prime is 152776343. The reversal of 152776313 is 313677251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118635664 + 34140649 = 10892^2 + 5843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152776313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (152776343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76388156 + 76388157.

It is an arithmetic number, because the mean of its divisors is an integer number (76388157).

Almost surely, 2^152776313 is an apocalyptic number.

It is an amenable number.

152776313 is a deficient number, since it is larger than the sum of its proper divisors (1).

152776313 is an equidigital number, since it uses as much as digits as its factorization.

152776313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 35.

The square root of 152776313 is about 12360.2715585055. The cubic root of 152776313 is about 534.5873465120.

The spelling of 152776313 in words is "one hundred fifty-two million, seven hundred seventy-six thousand, three hundred thirteen".