2560215 has 32 divisors (see below), whose sum is σ = 4815360. Its totient is φ = 1137024.

The previous prime is 2560213. The next prime is 2560219. The reversal of 2560215 is 5120652.

2560215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2560215 - 2¹ = 2560213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

2560215 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2560191 and 2560200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560211) 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 in 31 ways as a sum of consecutive naturals, for example, 3556 + ... + 4214.

It is an arithmetic number, because the mean of its divisors is an integer number (150480).

2^2560215 is an apocalyptic number.

2560215 is a deficient number, since it is larger than the sum of its proper divisors (2255145).

2560215 is a wasteful number, since it uses less digits than its factorization.

2560215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2560215 is about 1600.0671860894. The cubic root of 2560215 is about 136.8019052606.

Adding to 2560215 its reverse (5120652), we get a palindrome (7680867).

It can be divided in two parts, 2560 and 215, that added together give a triangular number (2775 = T₇₄).

The spelling of 2560215 in words is "two million, five hundred sixty thousand, two hundred fifteen".