2783201 has 4 divisors (see below), whose sum is σ = 2787732. Its totient is φ = 2778672.

The previous prime is 2783191. The next prime is 2783213. The reversal of 2783201 is 1023872.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 1437601 = 1160^2 + 1199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2783201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166 + ... + 2631.

It is an arithmetic number, because the mean of its divisors is an integer number (696933).

2^2783201 is an apocalyptic number.

It is an amenable number.

2783201 is a deficient number, since it is larger than the sum of its proper divisors (4531).

2783201 is an equidigital number, since it uses as much as digits as its factorization.

2783201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2783201 is about 1668.2928400014. The cubic root of 2783201 is about 140.6635338680.

The spelling of 2783201 in words is "two million, seven hundred eighty-three thousand, two hundred one".