2054813 has 4 divisors (see below), whose sum is σ = 2060988. Its totient is φ = 2048640.

The previous prime is 2054791. The next prime is 2054821. The reversal of 2054813 is 3184502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3184502 = 2 ⋅1592251.

It can be written as a sum of positive squares in 2 ways, for example, as 1352569 + 702244 = 1163^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054813 - 2⁶ = 2054749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054873) 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, 2558 + ... + 3263.

It is an arithmetic number, because the mean of its divisors is an integer number (515247).

2^2054813 is an apocalyptic number.

It is an amenable number.

2054813 is a deficient number, since it is larger than the sum of its proper divisors (6175).

2054813 is an equidigital number, since it uses as much as digits as its factorization.

2054813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174.

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

The square root of 2054813 is about 1433.4618934593. The cubic root of 2054813 is about 127.1327481277.

The spelling of 2054813 in words is "two million, fifty-four thousand, eight hundred thirteen".