2985521 has 24 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 2234400.

The previous prime is 2985511. The next prime is 2985529. The reversal of 2985521 is 1255892.

2985521 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 2985521 - 2⁶ = 2985457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2985529) 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 23 ways as a sum of consecutive naturals, for example, 15536 + ... + 15726.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2^2985521 is an apocalyptic number.

It is an amenable number.

2985521 is a deficient number, since it is larger than the sum of its proper divisors (954319).

2985521 is a wasteful number, since it uses less digits than its factorization.

2985521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 238 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 2985521 is about 1727.8660248989. The cubic root of 2985521 is about 143.9925568426.

The spelling of 2985521 in words is "two million, nine hundred eighty-five thousand, five hundred twenty-one".