2520011 has 4 divisors (see below), whose sum is σ = 2713872. Its totient is φ = 2326152.

The previous prime is 2519981. The next prime is 2520017. The reversal of 2520011 is 1100252.

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 2520011 - 2⁶ = 2519947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2519974 and 2520001.

It is not an unprimeable number, because it can be changed into a prime (2520017) 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, 96911 + ... + 96936.

It is an arithmetic number, because the mean of its divisors is an integer number (678468).

2^2520011 is an apocalyptic number.

2520011 is a deficient number, since it is larger than the sum of its proper divisors (193861).

2520011 is a wasteful number, since it uses less digits than its factorization.

2520011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193860.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2520011 is about 1587.4542513093. The cubic root of 2520011 is about 136.0820403215.

Adding to 2520011 its reverse (1100252), we get a palindrome (3620263).

The spelling of 2520011 in words is "two million, five hundred twenty thousand, eleven".