2524509 has 12 divisors (see below), whose sum is σ = 3927196. Its totient is φ = 1553472.

The previous prime is 2524481. The next prime is 2524531. The reversal of 2524509 is 9054252.

2524509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 1265625 = 1122^2 + 1125^2 .

It is not a de Polignac number, because 2524509 - 2⁵ = 2524477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2524579) 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 11 ways as a sum of consecutive naturals, for example, 10672 + ... + 10905.

2^2524509 is an apocalyptic number.

It is an amenable number.

2524509 is a deficient number, since it is larger than the sum of its proper divisors (1402687).

2524509 is a wasteful number, since it uses less digits than its factorization.

2524509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21596 (or 21593 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2524509 is about 1588.8703534272. The cubic root of 2524509 is about 136.1629570580.

It can be divided in two parts, 252 and 4509, that added together give a square (4761 = 69²).

The spelling of 2524509 in words is "two million, five hundred twenty-four thousand, five hundred nine".