2785315 has 16 divisors (see below), whose sum is σ = 3655008. Its totient is φ = 2025216.

The previous prime is 2785313. The next prime is 2785333. The reversal of 2785315 is 5135872.

It is a cyclic number.

It is not a de Polignac number, because 2785315 - 2¹ = 2785313 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 7³ + 8⁷ + 5⁷ + 3¹² + 1 + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4452 + ... + 5038.

It is an arithmetic number, because the mean of its divisors is an integer number (228438).

2^2785315 is an apocalyptic number.

2785315 is a deficient number, since it is larger than the sum of its proper divisors (869693).

2785315 is a wasteful number, since it uses less digits than its factorization.

2785315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its digits is 8400, while the sum is 31.

The square root of 2785315 is about 1668.9263015484. The cubic root of 2785315 is about 140.6991388488.

The spelling of 2785315 in words is "two million, seven hundred eighty-five thousand, three hundred fifteen".