2156283 has 6 divisors (see below), whose sum is σ = 3114644. Its totient is φ = 1437516.

The previous prime is 2156279. The next prime is 2156299. The reversal of 2156283 is 3826512.

2156283 is a `hidden beast` number, since 21 + 562 + 83 = 666.

It is not a de Polignac number, because 2156283 - 2² = 2156279 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 5 + 6² + 2²¹ + 8 + 3¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156083) 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 5 ways as a sum of consecutive naturals, for example, 119785 + ... + 119802.

2^2156283 is an apocalyptic number.

2156283 is a deficient number, since it is larger than the sum of its proper divisors (958361).

2156283 is a wasteful number, since it uses less digits than its factorization.

2156283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239593 (or 239590 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2156283 is about 1468.4287521021. The cubic root of 2156283 is about 129.1918903682.

The spelling of 2156283 in words is "two million, one hundred fifty-six thousand, two hundred eighty-three".