2541813 has 4 divisors (see below), whose sum is σ = 3389088. Its totient is φ = 1694540.

The previous prime is 2541811. The next prime is 2541817. The reversal of 2541813 is 3181452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2541813 - 2¹ = 2541811 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541811) 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, 423633 + ... + 423638.

It is an arithmetic number, because the mean of its divisors is an integer number (847272).

2^2541813 is an apocalyptic number.

It is an amenable number.

2541813 is a deficient number, since it is larger than the sum of its proper divisors (847275).

2541813 is an equidigital number, since it uses as much as digits as its factorization.

2541813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847274.

The product of its digits is 960, while the sum is 24.

The square root of 2541813 is about 1594.3064322771. The cubic root of 2541813 is about 136.4733541623.

The spelling of 2541813 in words is "two million, five hundred forty-one thousand, eight hundred thirteen".