2875521 has 16 divisors (see below), whose sum is σ = 4239360. Its totient is φ = 1719120.

The previous prime is 2875519. The next prime is 2875541. The reversal of 2875521 is 1255782.

It is not a de Polignac number, because 2875521 - 2¹ = 2875519 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2875541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2056 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (264960).

2^2875521 is an apocalyptic number.

It is an amenable number.

2875521 is a deficient number, since it is larger than the sum of its proper divisors (1363839).

2875521 is a wasteful number, since it uses less digits than its factorization.

2875521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its digits is 5600, while the sum is 30.

The square root of 2875521 is about 1695.7361233399. The cubic root of 2875521 is about 142.2019377764.

The spelling of 2875521 in words is "two million, eight hundred seventy-five thousand, five hundred twenty-one".