2505544 has 16 divisors (see below), whose sum is σ = 4849920. Its totient is φ = 1212240.

The previous prime is 2505541. The next prime is 2505557. The reversal of 2505544 is 4455052.

It is not an unprimeable number, because it can be changed into a prime (2505541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4804 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (303120).

2^2505544 is an apocalyptic number.

It is an amenable number.

2505544 is a deficient number, since it is larger than the sum of its proper divisors (2344376).

2505544 is a wasteful number, since it uses less digits than its factorization.

2505544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10140 (or 10136 counting only the distinct ones).

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

The square root of 2505544 is about 1582.8910259396. The cubic root of 2505544 is about 135.8211316359.

The spelling of 2505544 in words is "two million, five hundred five thousand, five hundred forty-four".