2653530 has 96 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 591360.

The previous prime is 2653517. The next prime is 2653537. The reversal of 2653530 is 353562.

It is a self number, because there is not a number n which added to its sum of digits gives 2653530.

It is not an unprimeable number, because it can be changed into a prime (2653537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61689 + ... + 61731.

It is an arithmetic number, because the mean of its divisors is an integer number (79002).

2^2653530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2653530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792096).

2653530 is an abundant number, since it is smaller than the sum of its proper divisors (4930662).

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

2653530 is a wasteful number, since it uses less digits than its factorization.

2653530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 2653530 is about 1628.9659296621. The cubic root of 2653530 is about 138.4441685238. Note that the first 3 decimals are identical.

Subtracting from 2653530 its reverse (353562), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 26535 and 30, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 2653530 in words is "two million, six hundred fifty-three thousand, five hundred thirty".