2783541 has 4 divisors (see below), whose sum is σ = 3711392. Its totient is φ = 1855692.

The previous prime is 2783537. The next prime is 2783549. The reversal of 2783541 is 1453872.

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 not a de Polignac number, because 2783541 - 2² = 2783537 is a prime.

It is a D-number.

It is a Duffinian number.

2783541 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2783499 and 2783508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783549) 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, 463921 + ... + 463926.

It is an arithmetic number, because the mean of its divisors is an integer number (927848).

2^2783541 is an apocalyptic number.

It is an amenable number.

2783541 is a deficient number, since it is larger than the sum of its proper divisors (927851).

2783541 is an equidigital number, since it uses as much as digits as its factorization.

2783541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927850.

The product of its digits is 6720, while the sum is 30.

The square root of 2783541 is about 1668.3947374647. The cubic root of 2783541 is about 140.6692615241.

The spelling of 2783541 in words is "two million, seven hundred eighty-three thousand, five hundred forty-one".