2524521 has 8 divisors (see below), whose sum is σ = 3374560. Its totient is φ = 1678752.

The previous prime is 2524481. The next prime is 2524531. The reversal of 2524521 is 1254252.

It is a happy number.

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

It is not a de Polignac number, because 2524521 - 2⁷ = 2524393 is a prime.

It is a Duffinian number.

2524521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2524531) 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, 765 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (421820).

2^2524521 is an apocalyptic number.

It is an amenable number.

2524521 is a deficient number, since it is larger than the sum of its proper divisors (850039).

2524521 is a wasteful number, since it uses less digits than its factorization.

2524521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

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

The square root of 2524521 is about 1588.8741296906. The cubic root of 2524521 is about 136.1631728033.

Adding to 2524521 its reverse (1254252), we get a palindrome (3778773).

The spelling of 2524521 in words is "two million, five hundred twenty-four thousand, five hundred twenty-one".