2605530 has 16 divisors (see below), whose sum is σ = 6253344. Its totient is φ = 694800.

The previous prime is 2605529. The next prime is 2605531. The reversal of 2605530 is 355062.

It is an interprime number because it is at equal distance from previous prime (2605529) and next prime (2605531).

It is a junction number, because it is equal to n+sod(n) for n = 2605497 and 2605506.

It is not an unprimeable number, because it can be changed into a prime (2605531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43396 + ... + 43455.

It is an arithmetic number, because the mean of its divisors is an integer number (390834).

2^2605530 is an apocalyptic number.

2605530 is an abundant number, since it is smaller than the sum of its proper divisors (3647814).

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

2605530 is a wasteful number, since it uses less digits than its factorization.

2605530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86861.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2605530 is about 1614.1654190324. The cubic root of 2605530 is about 137.6043065287.

The spelling of 2605530 in words is "two million, six hundred five thousand, five hundred thirty".