2856461 has 2 divisors, whose sum is σ = 2856462. Its totient is φ = 2856460.

The previous prime is 2856449. The next prime is 2856473. The reversal of 2856461 is 1646582.

2856461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2856449) and next prime (2856473).

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 361 = 1690^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 2856461 - 2⁶ = 2856397 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 (2856421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428230 + 1428231.

It is an arithmetic number, because the mean of its divisors is an integer number (1428231).

2^2856461 is an apocalyptic number.

It is an amenable number.

2856461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2856461 is an equidigital number, since it uses as much as digits as its factorization.

2856461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 2856461 is about 1690.1068013590. The cubic root of 2856461 is about 141.8870522859.

The spelling of 2856461 in words is "two million, eight hundred fifty-six thousand, four hundred sixty-one".