2159530 has 8 divisors (see below), whose sum is σ = 3887172. Its totient is φ = 863808.

The previous prime is 2159519. The next prime is 2159533. The reversal of 2159530 is 359512.

2159530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2036329 + 123201 = 1427^2 + 351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2159495 and 2159504.

It is not an unprimeable number, because it can be changed into a prime (2159533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107967 + ... + 107986.

2^2159530 is an apocalyptic number.

2159530 is a deficient number, since it is larger than the sum of its proper divisors (1727642).

2159530 is a wasteful number, since it uses less digits than its factorization.

2159530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215960.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 2159530 is about 1469.5339397237. The cubic root of 2159530 is about 129.2567049412.

The spelling of 2159530 in words is "two million, one hundred fifty-nine thousand, five hundred thirty".