2523611 has 4 divisors (see below), whose sum is σ = 2526792. Its totient is φ = 2520432.

The previous prime is 2523593. The next prime is 2523641. The reversal of 2523611 is 1163252.

2523611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2523611 - 2¹⁴ = 2507227 is a prime.

It is a super-2 number, since 2×2523611² = 12737224958642, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (631698).

2^2523611 is an apocalyptic number.

2523611 is a deficient number, since it is larger than the sum of its proper divisors (3181).

2523611 is a wasteful number, since it uses less digits than its factorization.

2523611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its digits is 360, while the sum is 20.

The square root of 2523611 is about 1588.5877375833. The cubic root of 2523611 is about 136.1468101773.

Adding to 2523611 its reverse (1163252), we get a palindrome (3686863).

The spelling of 2523611 in words is "two million, five hundred twenty-three thousand, six hundred eleven".