2874521 has 12 divisors (see below), whose sum is σ = 3168828. Its totient is φ = 2605824.

The previous prime is 2874511. The next prime is 2874523. The reversal of 2874521 is 1254782.

It can be written as a sum of positive squares in 6 ways, for example, as 698896 + 2175625 = 836^2 + 1475^2 .

It is not a de Polignac number, because 2874521 - 2⁶ = 2874457 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12221 + ... + 12453.

It is an arithmetic number, because the mean of its divisors is an integer number (264069).

2^2874521 is an apocalyptic number.

It is an amenable number.

2874521 is a deficient number, since it is larger than the sum of its proper divisors (294307).

2874521 is a wasteful number, since it uses less digits than its factorization.

2874521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 319 counting only the distinct ones).

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

The square root of 2874521 is about 1695.4412405035. The cubic root of 2874521 is about 142.1854516712.

The spelling of 2874521 in words is "two million, eight hundred seventy-four thousand, five hundred twenty-one".