7482521 has 8 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 7091392.

The previous prime is 7482479. The next prime is 7482539. The reversal of 7482521 is 1252847.

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

It is a cyclic number.

It is not a de Polignac number, because 7482521 - 2¹⁸ = 7220377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7482121) 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 7 ways as a sum of consecutive naturals, for example, 1160 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (984960).

Almost surely, 2^7482521 is an apocalyptic number.

It is an amenable number.

7482521 is a deficient number, since it is larger than the sum of its proper divisors (397159).

7482521 is a wasteful number, since it uses less digits than its factorization.

7482521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its digits is 4480, while the sum is 29.

The square root of 7482521 is about 2735.4197118541. The cubic root of 7482521 is about 195.5912016177.

The spelling of 7482521 in words is "seven million, four hundred eighty-two thousand, five hundred twenty-one".