2861461 has 2 divisors, whose sum is σ = 2861462. Its totient is φ = 2861460.

The previous prime is 2861447. The next prime is 2861471. The reversal of 2861461 is 1641682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 269361 = 1610^2 + 519^2 .

It is a cyclic number.

It is not a de Polignac number, because 2861461 - 2¹¹ = 2859413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2861471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430730 + 1430731.

It is an arithmetic number, because the mean of its divisors is an integer number (1430731).

2^2861461 is an apocalyptic number.

2861461 is the 757-th centered decagonal number.

It is an amenable number.

2861461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2861461 is an equidigital number, since it uses as much as digits as its factorization.

2861461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 2861461 is about 1691.5853510834. The cubic root of 2861461 is about 141.9697912331.

The spelling of 2861461 in words is "two million, eight hundred sixty-one thousand, four hundred sixty-one".