2787233 has 2 divisors, whose sum is σ = 2787234. Its totient is φ = 2787232.

The previous prime is 2787229. The next prime is 2787251. The reversal of 2787233 is 3327872.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2486929 + 300304 = 1577^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2787233 - 2² = 2787229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2787233.

It is not a weakly prime, because it can be changed into another prime (2787293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1393616 + 1393617.

It is an arithmetic number, because the mean of its divisors is an integer number (1393617).

2^2787233 is an apocalyptic number.

It is an amenable number.

2787233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2787233 is an equidigital number, since it uses as much as digits as its factorization.

2787233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 2787233 is about 1669.5008235997. The cubic root of 2787233 is about 140.7314271213.

The spelling of 2787233 in words is "two million, seven hundred eighty-seven thousand, two hundred thirty-three".