2172530130 has 32 divisors (see below), whose sum is σ = 5520783744. Its totient is φ = 545262336.

The previous prime is 2172530123. The next prime is 2172530131. The reversal of 2172530130 is 310352712.

2172530130 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2172530130.

It is not an unprimeable number, because it can be changed into a prime (2172530131) 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, 2129422 + ... + 2130441.

It is an arithmetic number, because the mean of its divisors is an integer number (172524492).

Almost surely, 2^2172530130 is an apocalyptic number.

2172530130 is an abundant number, since it is smaller than the sum of its proper divisors (3348253614).

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

2172530130 is a wasteful number, since it uses less digits than its factorization.

2172530130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259890.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 2172530130 is about 46610.4079578800. The cubic root of 2172530130 is about 1295.1555653567.

Adding to 2172530130 its reverse (310352712), we get a palindrome (2482882842).

The spelling of 2172530130 in words is "two billion, one hundred seventy-two million, five hundred thirty thousand, one hundred thirty".