2881783 has 2 divisors, whose sum is σ = 2881784. Its totient is φ = 2881782.

The previous prime is 2881733. The next prime is 2881799. The reversal of 2881783 is 3871882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2881783 - 2⁹ = 2881271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2881733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440891 + 1440892.

It is an arithmetic number, because the mean of its divisors is an integer number (1440892).

2^2881783 is an apocalyptic number.

2881783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881783 is an equidigital number, since it uses as much as digits as its factorization.

2881783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 37.

The square root of 2881783 is about 1697.5815149795. The cubic root of 2881783 is about 142.3050869595.

Subtracting 2881783 from its reverse (3871882), we obtain a palindrome (990099).

It can be divided in two parts, 28817 and 83, that added together give a square (28900 = 170²).

The spelling of 2881783 in words is "two million, eight hundred eighty-one thousand, seven hundred eighty-three".