2528811 has 6 divisors (see below), whose sum is σ = 3652740. Its totient is φ = 1685868.

The previous prime is 2528809. The next prime is 2528819. The reversal of 2528811 is 1188252.

2528811 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 2528811 - 2¹ = 2528809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2528819) 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 5 ways as a sum of consecutive naturals, for example, 140481 + ... + 140498.

It is an arithmetic number, because the mean of its divisors is an integer number (608790).

2^2528811 is an apocalyptic number.

2528811 is a deficient number, since it is larger than the sum of its proper divisors (1123929).

2528811 is a wasteful number, since it uses less digits than its factorization.

2528811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280985 (or 280982 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 2528811 is about 1590.2235691877. The cubic root of 2528811 is about 136.2402579798.

The spelling of 2528811 in words is "two million, five hundred twenty-eight thousand, eight hundred eleven".