2524645 has 4 divisors (see below), whose sum is σ = 3029580. Its totient is φ = 2019712.

The previous prime is 2524637. The next prime is 2524649. The reversal of 2524645 is 5464252.

2524645 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 982081 = 1242^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2524645 - 2³ = 2524637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2524649) 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, 252460 + ... + 252469.

It is an arithmetic number, because the mean of its divisors is an integer number (757395).

2^2524645 is an apocalyptic number.

It is an amenable number.

2524645 is a deficient number, since it is larger than the sum of its proper divisors (504935).

2524645 is an equidigital number, since it uses as much as digits as its factorization.

2524645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504934.

The product of its digits is 9600, while the sum is 28.

The square root of 2524645 is about 1588.9131505529. The cubic root of 2524645 is about 136.1654021314.

Adding to 2524645 its reverse (5464252), we get a palindrome (7988897).

The spelling of 2524645 in words is "two million, five hundred twenty-four thousand, six hundred forty-five".