2545504 has 48 divisors (see below), whose sum is σ = 5609520. Its totient is φ = 1128960.

The previous prime is 2545493. The next prime is 2545513. The reversal of 2545504 is 4055452.

2545504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2545504² = 12959181228032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11959 + ... + 12169.

It is an arithmetic number, because the mean of its divisors is an integer number (116865).

2^2545504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2804760).

2545504 is an abundant number, since it is smaller than the sum of its proper divisors (3064016).

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

2545504 is a wasteful number, since it uses less digits than its factorization.

2545504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2545504 is about 1595.4635689981. The cubic root of 2545504 is about 136.5393804627.

The spelling of 2545504 in words is "two million, five hundred forty-five thousand, five hundred four".