2823541 has 4 divisors (see below), whose sum is σ = 3226912. Its totient is φ = 2420172.

The previous prime is 2823529. The next prime is 2823559. The reversal of 2823541 is 1453282.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1453282 = 2 ⋅726641.

It is a cyclic number.

It is not a de Polignac number, because 2823541 - 2¹¹ = 2821493 is a prime.

It is an Ulam number.

It is a Duffinian number.

2823541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823521) 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, 201675 + ... + 201688.

It is an arithmetic number, because the mean of its divisors is an integer number (806728).

2^2823541 is an apocalyptic number.

It is an amenable number.

2823541 is a deficient number, since it is larger than the sum of its proper divisors (403371).

2823541 is an equidigital number, since it uses as much as digits as its factorization.

2823541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403370.

The product of its digits is 1920, while the sum is 25.

The square root of 2823541 is about 1680.3395490198. The cubic root of 2823541 is about 141.3398738864.

It can be divided in two parts, 2823 and 541, that added together give a square (3364 = 58²).

The spelling of 2823541 in words is "two million, eight hundred twenty-three thousand, five hundred forty-one".