2505828 has 24 divisors (see below), whose sum is σ = 6297088. Its totient is φ = 770976.

The previous prime is 2505809. The next prime is 2505829. The reversal of 2505828 is 8285052.

It is a junction number, because it is equal to n+sod(n) for n = 2505795 and 2505804.

It is not an unprimeable number, because it can be changed into a prime (2505829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7876 + ... + 8187.

2^2505828 is an apocalyptic number.

It is an amenable number.

2505828 is an abundant number, since it is smaller than the sum of its proper divisors (3791260).

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

2505828 is a wasteful number, since it uses less digits than its factorization.

2505828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16083 (or 16081 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2505828 is about 1582.9807326686. The cubic root of 2505828 is about 135.8262631555.

It can be divided in two parts, 2505 and 828, that added together give a palindrome (3333).

The spelling of 2505828 in words is "two million, five hundred five thousand, eight hundred twenty-eight".