2064851 has 4 divisors (see below), whose sum is σ = 2108832. Its totient is φ = 2020872.

The previous prime is 2064847. The next prime is 2064857. The reversal of 2064851 is 1584602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1584602 = 2 ⋅792301.

It is a cyclic number.

It is not a de Polignac number, because 2064851 - 2² = 2064847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064851.

It is not an unprimeable number, because it can be changed into a prime (2064857) 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, 21920 + ... + 22013.

It is an arithmetic number, because the mean of its divisors is an integer number (527208).

2^2064851 is an apocalyptic number.

2064851 is a deficient number, since it is larger than the sum of its proper divisors (43981).

2064851 is an equidigital number, since it uses as much as digits as its factorization.

2064851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43980.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2064851 is about 1436.9589416542. The cubic root of 2064851 is about 127.3394313451.

Subtracting from 2064851 its reverse (1584602), we obtain a square (480249 = 693²).

The spelling of 2064851 in words is "two million, sixty-four thousand, eight hundred fifty-one".