2545524 has 18 divisors (see below), whose sum is σ = 6434610. Its totient is φ = 848496.

The previous prime is 2545523. The next prime is 2545553. The reversal of 2545524 is 4255452.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 17424 = 1590^2 + 132^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545523) 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 5 ways as a sum of consecutive naturals, for example, 35319 + ... + 35390.

2^2545524 is an apocalyptic number.

It is an amenable number.

2545524 is an abundant number, since it is smaller than the sum of its proper divisors (3889086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545524 is a wasteful number, since it uses less digits than its factorization.

2545524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70719 (or 70714 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 2545524 is about 1595.4698367566. The cubic root of 2545524 is about 136.5397380579.

It can be divided in two parts, 254 and 5524, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 2545524 in words is "two million, five hundred forty-five thousand, five hundred twenty-four".