2645130 has 32 divisors (see below), whose sum is σ = 6522624. Its totient is φ = 686016.

The previous prime is 2645129. The next prime is 2645131. The reversal of 2645130 is 315462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2645129) and next prime (2645131).

It is a junction number, because it is equal to n+sod(n) for n = 2645097 and 2645106.

It is not an unprimeable number, because it can be changed into a prime (2645131) 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, 82 + ... + 2301.

It is an arithmetic number, because the mean of its divisors is an integer number (203832).

2^2645130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2645130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3261312).

2645130 is an abundant number, since it is smaller than the sum of its proper divisors (3877494).

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

2645130 is a wasteful number, since it uses less digits than its factorization.

2645130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2645130 is about 1626.3855631430. The cubic root of 2645130 is about 138.2979280691.

It can be divided in two parts, 2645 and 130, that added together give a triangular number (2775 = T₇₄).

The spelling of 2645130 in words is "two million, six hundred forty-five thousand, one hundred thirty".