2851015 has 12 divisors (see below), whose sum is σ = 3501144. Its totient is φ = 2228544.

The previous prime is 2851001. The next prime is 2851049. The reversal of 2851015 is 5101582.

It is not a de Polignac number, because 2851015 - 2¹⁷ = 2719943 is a prime.

It is a Duffinian number.

2851015 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26592 + ... + 26698.

It is an arithmetic number, because the mean of its divisors is an integer number (291762).

2^2851015 is an apocalyptic number.

2851015 is a deficient number, since it is larger than the sum of its proper divisors (650129).

2851015 is an equidigital number, since it uses as much as digits as its factorization.

2851015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2851015 is about 1688.4948919082. The cubic root of 2851015 is about 141.7968230963.

Adding to 2851015 its reverse (5101582), we get a palindrome (7952597).

The spelling of 2851015 in words is "two million, eight hundred fifty-one thousand, fifteen".