2826521 has 2 divisors, whose sum is σ = 2826522. Its totient is φ = 2826520.

The previous prime is 2826491. The next prime is 2826553. The reversal of 2826521 is 1256282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2758921 + 67600 = 1661^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2826521 - 2⁶ = 2826457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2826121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413260 + 1413261.

It is an arithmetic number, because the mean of its divisors is an integer number (1413261).

2^2826521 is an apocalyptic number.

It is an amenable number.

2826521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2826521 is an equidigital number, since it uses as much as digits as its factorization.

2826521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 2826521 is about 1681.2260407215. The cubic root of 2826521 is about 141.3895803524.

The spelling of 2826521 in words is "two million, eight hundred twenty-six thousand, five hundred twenty-one".