2053867 has 4 divisors (see below), whose sum is σ = 2124720. Its totient is φ = 1983016.

The previous prime is 2053859. The next prime is 2053871. The reversal of 2053867 is 7683502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7683502 = 2 ⋅3841751.

It is a cyclic number.

It is not a de Polignac number, because 2053867 - 2³ = 2053859 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

2053867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2053837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35383 + ... + 35440.

It is an arithmetic number, because the mean of its divisors is an integer number (531180).

2^2053867 is an apocalyptic number.

2053867 is a deficient number, since it is larger than the sum of its proper divisors (70853).

2053867 is an equidigital number, since it uses as much as digits as its factorization.

2053867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70852.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2053867 is about 1433.1318850685. The cubic root of 2053867 is about 127.1132352343.

The spelling of 2053867 in words is "two million, fifty-three thousand, eight hundred sixty-seven".