2528538 has 8 divisors (see below), whose sum is σ = 5057088. Its totient is φ = 842844.

The previous prime is 2528531. The next prime is 2528557. The reversal of 2528538 is 8358252.

It is a sphenic number, since it is the product of 3 distinct primes.

2528538 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2528499 and 2528508.

It is not an unprimeable number, because it can be changed into a prime (2528531) 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, 210706 + ... + 210717.

It is an arithmetic number, because the mean of its divisors is an integer number (632136).

2^2528538 is an apocalyptic number.

2528538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2528538 is a wasteful number, since it uses less digits than its factorization.

2528538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421428.

The product of its digits is 19200, while the sum is 33.

The square root of 2528538 is about 1590.1377298838. The cubic root of 2528538 is about 136.2353551580.

The spelling of 2528538 in words is "two million, five hundred twenty-eight thousand, five hundred thirty-eight".