2851361 has 2 divisors, whose sum is σ = 2851362. Its totient is φ = 2851360.

The previous prime is 2851351. The next prime is 2851391. The reversal of 2851361 is 1631582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2825761 + 25600 = 1681^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2851361 - 2¹⁸ = 2589217 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2851361.

It is not a weakly prime, because it can be changed into another prime (2851351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425680 + 1425681.

It is an arithmetic number, because the mean of its divisors is an integer number (1425681).

2^2851361 is an apocalyptic number.

It is an amenable number.

2851361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2851361 is an equidigital number, since it uses as much as digits as its factorization.

2851361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 2851361 is about 1688.5973469125. The cubic root of 2851361 is about 141.8025590320.

The spelling of 2851361 in words is "two million, eight hundred fifty-one thousand, three hundred sixty-one".