2520411 has 4 divisors (see below), whose sum is σ = 3360552. Its totient is φ = 1680272.

The previous prime is 2520383. The next prime is 2520431. The reversal of 2520411 is 1140252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2520411 - 2⁵ = 2520379 is a prime.

It is a D-number.

2520411 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2520431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420066 + ... + 420071.

It is an arithmetic number, because the mean of its divisors is an integer number (840138).

2^2520411 is an apocalyptic number.

2520411 is a deficient number, since it is larger than the sum of its proper divisors (840141).

2520411 is an equidigital number, since it uses as much as digits as its factorization.

2520411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840140.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2520411 is about 1587.5802341929. The cubic root of 2520411 is about 136.0892400171.

Adding to 2520411 its reverse (1140252), we get a palindrome (3660663).

The spelling of 2520411 in words is "two million, five hundred twenty thousand, four hundred eleven".