2825857 has 2 divisors, whose sum is σ = 2825858. Its totient is φ = 2825856.

The previous prime is 2825833. The next prime is 2825861. The reversal of 2825857 is 7585282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 83521 = 1656^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2825857 - 2¹¹ = 2823809 is a prime.

It is a d-powerful number, because it can be written as 2² + 8 + 2¹⁴ + 5² + 8⁵ + 5⁹ + 7⁷ .

It is not a weakly prime, because it can be changed into another prime (2825827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412928 + 1412929.

It is an arithmetic number, because the mean of its divisors is an integer number (1412929).

2^2825857 is an apocalyptic number.

It is an amenable number.

2825857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2825857 is an equidigital number, since it uses as much as digits as its factorization.

2825857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 37.

The square root of 2825857 is about 1681.0285541894. The cubic root of 2825857 is about 141.3785078438.

The spelling of 2825857 in words is "two million, eight hundred twenty-five thousand, eight hundred fifty-seven".