316045789 has 2 divisors, whose sum is σ = 316045790. Its totient is φ = 316045788.

The previous prime is 316045781. The next prime is 316045811. The reversal of 316045789 is 987540613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309584025 + 6461764 = 17595^2 + 2542^2 .

It is an emirp because it is prime and its reverse (987540613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316045789 - 2³ = 316045781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316045781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158022894 + 158022895.

It is an arithmetic number, because the mean of its divisors is an integer number (158022895).

Almost surely, 2^316045789 is an apocalyptic number.

It is an amenable number.

316045789 is a deficient number, since it is larger than the sum of its proper divisors (1).

316045789 is an equidigital number, since it uses as much as digits as its factorization.

316045789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 316045789 is about 17777.6767042266. The cubic root of 316045789 is about 681.1613581157.

The spelling of 316045789 in words is "three hundred sixteen million, forty-five thousand, seven hundred eighty-nine".