2812530 has 64 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 629184.

The previous prime is 2812519. The next prime is 2812541. The reversal of 2812530 is 352182.

It is an interprime number because it is at equal distance from previous prime (2812519) and next prime (2812541).

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

It is a junction number, because it is equal to n+sod(n) for n = 2812497 and 2812506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12277 + ... + 12503.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^2812530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2812530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3939840).

2812530 is an abundant number, since it is smaller than the sum of its proper divisors (5067150).

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

2812530 is a wasteful number, since it uses less digits than its factorization.

2812530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2812530 is about 1677.0599273729. The cubic root of 2812530 is about 141.1559062163.

The spelling of 2812530 in words is "two million, eight hundred twelve thousand, five hundred thirty".