2827521 has 8 divisors (see below), whose sum is σ = 4188960. Its totient is φ = 1884996.

The previous prime is 2827519. The next prime is 2827547. The reversal of 2827521 is 1257282.

It is not a de Polignac number, because 2827521 - 2¹ = 2827519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 104723 = 2827521 / (2 + 8 + 2 + 7 + 5 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (2827571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52335 + ... + 52388.

It is an arithmetic number, because the mean of its divisors is an integer number (523620).

2^2827521 is an apocalyptic number.

It is an amenable number.

2827521 is a deficient number, since it is larger than the sum of its proper divisors (1361439).

2827521 is a wasteful number, since it uses less digits than its factorization.

2827521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104732 (or 104726 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2827521 is about 1681.5234164293. The cubic root of 2827521 is about 141.4062525452.

The spelling of 2827521 in words is "two million, eight hundred twenty-seven thousand, five hundred twenty-one".