2852581 has 2 divisors, whose sum is σ = 2852582. Its totient is φ = 2852580.

The previous prime is 2852569. The next prime is 2852587. The reversal of 2852581 is 1852582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 1083681 = 1330^2 + 1041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2852581 is a prime.

It is a super-2 number, since 2×2852581² = 16274436723122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2852587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426290 + 1426291.

It is an arithmetic number, because the mean of its divisors is an integer number (1426291).

2^2852581 is an apocalyptic number.

It is an amenable number.

2852581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2852581 is an equidigital number, since it uses as much as digits as its factorization.

2852581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 31.

The square root of 2852581 is about 1688.9585548497. The cubic root of 2852581 is about 141.8227803058.

Subtracting from 2852581 its reverse (1852582), we obtain a palindrome (999999).

The spelling of 2852581 in words is "two million, eight hundred fifty-two thousand, five hundred eighty-one".