2479521 has 16 divisors (see below), whose sum is σ = 3633408. Its totient is φ = 1491600.

The previous prime is 2479513. The next prime is 2479523. The reversal of 2479521 is 1259742.

2479521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2479521 - 2³ = 2479513 is a prime.

It is a super-2 number, since 2×2479521² = 12296048778882, which contains 22 as substring.

It is a Curzon number.

2479521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2479523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7326 + ... + 7656.

It is an arithmetic number, because the mean of its divisors is an integer number (227088).

2^2479521 is an apocalyptic number.

It is an amenable number.

2479521 is a deficient number, since it is larger than the sum of its proper divisors (1153887).

2479521 is a wasteful number, since it uses less digits than its factorization.

2479521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its digits is 5040, while the sum is 30.

The square root of 2479521 is about 1574.6494848061. The cubic root of 2479521 is about 135.3492739008.

The spelling of 2479521 in words is "two million, four hundred seventy-nine thousand, five hundred twenty-one".