2130570 has 64 divisors (see below), whose sum is σ = 6128640. Its totient is φ = 523584.

The previous prime is 2130539. The next prime is 2130577. The reversal of 2130570 is 750312.

2130570 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2130577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3207 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2^2130570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064320).

2130570 is an abundant number, since it is smaller than the sum of its proper divisors (3998070).

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

2130570 is a wasteful number, since it uses less digits than its factorization.

2130570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 2130570 is about 1459.6472176523. The cubic root of 2130570 is about 128.6763112437.

Adding to 2130570 its reverse (750312), we get a palindrome (2880882).

The spelling of 2130570 in words is "two million, one hundred thirty thousand, five hundred seventy".