2523500 has 72 divisors (see below), whose sum is σ = 6473376. Its totient is φ = 856800.

The previous prime is 2523487. The next prime is 2523503. The reversal of 2523500 is 53252.

It is not an unprimeable number, because it can be changed into a prime (2523503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24449 + ... + 24551.

It is an arithmetic number, because the mean of its divisors is an integer number (89908).

2^2523500 is an apocalyptic number.

2523500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2523500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3236688).

2523500 is an abundant number, since it is smaller than the sum of its proper divisors (3949876).

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

2523500 is a wasteful number, since it uses less digits than its factorization.

2523500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 2523500 is about 1588.5528005074. The cubic root of 2523500 is about 136.1448140274.

Adding to 2523500 its reverse (53252), we get a palindrome (2576752).

The spelling of 2523500 in words is "two million, five hundred twenty-three thousand, five hundred".