2521524 has 12 divisors (see below), whose sum is σ = 5883584. Its totient is φ = 840504.

The previous prime is 2521517. The next prime is 2521537. The reversal of 2521524 is 4251252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2521524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105052 + ... + 105075.

2^2521524 is an apocalyptic number.

It is an amenable number.

2521524 is an abundant number, since it is smaller than the sum of its proper divisors (3362060).

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

2521524 is a wasteful number, since it uses less digits than its factorization.

2521524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210134 (or 210132 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 2521524 is about 1587.9307289677. The cubic root of 2521524 is about 136.1092691623.

Adding to 2521524 its reverse (4251252), we get a palindrome (6772776).

The spelling of 2521524 in words is "two million, five hundred twenty-one thousand, five hundred twenty-four".