2523520 has 32 divisors (see below), whose sum is σ = 6034320. Its totient is φ = 1009152.

The previous prime is 2523517. The next prime is 2523527. The reversal of 2523520 is 253252.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523527) 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, 1332 + ... + 2611.

2^2523520 is an apocalyptic number.

2523520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2523520 is an abundant number, since it is smaller than the sum of its proper divisors (3510800).

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

2523520 is an equidigital number, since it uses as much as digits as its factorization.

2523520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2523520 is about 1588.5590955328. The cubic root of 2523520 is about 136.1451736984.

Adding to 2523520 its reverse (253252), we get a palindrome (2776772).

The spelling of 2523520 in words is "two million, five hundred twenty-three thousand, five hundred twenty".