2873261 has 2 divisors, whose sum is σ = 2873262. Its totient is φ = 2873260.

The previous prime is 2873249. The next prime is 2873267. The reversal of 2873261 is 1623782.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 17161 = 1690^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2873261 - 2¹⁰ = 2872237 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 (2873267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436630 + 1436631.

It is an arithmetic number, because the mean of its divisors is an integer number (1436631).

2^2873261 is an apocalyptic number.

It is an amenable number.

2873261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873261 is an equidigital number, since it uses as much as digits as its factorization.

2873261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 2873261 is about 1695.0696150896. The cubic root of 2873261 is about 142.1646737338.

The spelling of 2873261 in words is "two million, eight hundred seventy-three thousand, two hundred sixty-one".