2825491 has 2 divisors, whose sum is σ = 2825492. Its totient is φ = 2825490.

The previous prime is 2825489. The next prime is 2825497. The reversal of 2825491 is 1945282.

2825491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2825491 - 2¹ = 2825489 is a prime.

Together with 2825489, it forms a pair of twin primes.

2825491 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2825497) 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 as a sum of consecutive naturals, namely, 1412745 + 1412746.

It is an arithmetic number, because the mean of its divisors is an integer number (1412746).

2^2825491 is an apocalyptic number.

2825491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825491 is an equidigital number, since it uses as much as digits as its factorization.

2825491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 2825491 is about 1680.9196887419. The cubic root of 2825491 is about 141.3724038822.

The spelling of 2825491 in words is "two million, eight hundred twenty-five thousand, four hundred ninety-one".