2820525 has 12 divisors (see below), whose sum is σ = 4663392. Its totient is φ = 1504240.

The previous prime is 2820509. The next prime is 2820527. The reversal of 2820525 is 5250282.

2820525 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 2820525 - 2⁴ = 2820509 is a prime.

It is a super-2 number, since 2×2820525² = 15910722551250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2820495 and 2820504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820527) 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 11 ways as a sum of consecutive naturals, for example, 18729 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (388616).

2^2820525 is an apocalyptic number.

2820525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2820525 is a deficient number, since it is larger than the sum of its proper divisors (1842867).

2820525 is a wasteful number, since it uses less digits than its factorization.

2820525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37620 (or 37615 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2820525 is about 1679.4418715752. The cubic root of 2820525 is about 141.2895313167.

The spelling of 2820525 in words is "two million, eight hundred twenty thousand, five hundred twenty-five".