2825551 has 2 divisors, whose sum is σ = 2825552. Its totient is φ = 2825550.

The previous prime is 2825521. The next prime is 2825561. The reversal of 2825551 is 1555282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2825551 - 2⁷ = 2825423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2825521) 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 as a sum of consecutive naturals, namely, 1412775 + 1412776.

It is an arithmetic number, because the mean of its divisors is an integer number (1412776).

2^2825551 is an apocalyptic number.

2825551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825551 is an equidigital number, since it uses as much as digits as its factorization.

2825551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000, while the sum is 28.

The square root of 2825551 is about 1680.9375360197. The cubic root of 2825551 is about 141.3734045678.

The spelling of 2825551 in words is "two million, eight hundred twenty-five thousand, five hundred fifty-one".