2321530 has 8 divisors (see below), whose sum is σ = 4178772. Its totient is φ = 928608.

The previous prime is 2321519. The next prime is 2321531. The reversal of 2321530 is 351232.

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 74529 = 1499^2 + 273^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2321531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116067 + ... + 116086.

2^2321530 is an apocalyptic number.

2321530 is a deficient number, since it is larger than the sum of its proper divisors (1857242).

2321530 is a wasteful number, since it uses less digits than its factorization.

2321530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232160.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2321530 is about 1523.6567854999. The cubic root of 2321530 is about 132.4112138073.

Adding to 2321530 its reverse (351232), we get a palindrome (2672762).

The spelling of 2321530 in words is "two million, three hundred twenty-one thousand, five hundred thirty".