2051834 has 4 divisors (see below), whose sum is σ = 3077754. Its totient is φ = 1025916.

The previous prime is 2051821. The next prime is 2051839. The reversal of 2051834 is 4381502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4381502 = 2 ⋅2190751.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 354025 = 1303^2 + 595^2 .

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (2051839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512957 + ... + 512960.

2^2051834 is an apocalyptic number.

2051834 is a deficient number, since it is larger than the sum of its proper divisors (1025920).

2051834 is a wasteful number, since it uses less digits than its factorization.

2051834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025919.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2051834 is about 1432.4224237284. The cubic root of 2051834 is about 127.0712807943.

The spelling of 2051834 in words is "two million, fifty-one thousand, eight hundred thirty-four".