2605170 has 32 divisors (see below), whose sum is σ = 6424128. Its totient is φ = 675648.

The previous prime is 2605159. The next prime is 2605171. The reversal of 2605170 is 715062.

It is not an unprimeable number, because it can be changed into a prime (2605171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (200754).

2^2605170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2605170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3212064).

2605170 is an abundant number, since it is smaller than the sum of its proper divisors (3818958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2605170 is a wasteful number, since it uses less digits than its factorization.

2605170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2605170 is about 1614.0539024456. The cubic root of 2605170 is about 137.5979687482.

It can be divided in two parts, 2605 and 170, that added together give a triangular number (2775 = T₇₄).

The spelling of 2605170 in words is "two million, six hundred five thousand, one hundred seventy".