2312789 has 2 divisors, whose sum is σ = 2312790. Its totient is φ = 2312788.

The previous prime is 2312753. The next prime is 2312801. The reversal of 2312789 is 9872132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 380689 = 1390^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312789 - 2¹² = 2308693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156394 + 1156395.

It is an arithmetic number, because the mean of its divisors is an integer number (1156395).

2^2312789 is an apocalyptic number.

It is an amenable number.

2312789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312789 is an equidigital number, since it uses as much as digits as its factorization.

2312789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 2312789 is about 1520.7856522206. The cubic root of 2312789 is about 132.2448203679.

The spelling of 2312789 in words is "two million, three hundred twelve thousand, seven hundred eighty-nine".