2130533 has 4 divisors (see below), whose sum is σ = 2162400. Its totient is φ = 2098668.

The previous prime is 2130529. The next prime is 2130539. The reversal of 2130533 is 3350312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2130533 - 2² = 2130529 is a prime.

It is a d-powerful number, because it can be written as 2³ + 1 + 3² + 0 + 5⁹ + 3⁵ + 3¹¹ .

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15833 + ... + 15966.

It is an arithmetic number, because the mean of its divisors is an integer number (540600).

2^2130533 is an apocalyptic number.

It is an amenable number.

2130533 is a deficient number, since it is larger than the sum of its proper divisors (31867).

2130533 is an equidigital number, since it uses as much as digits as its factorization.

2130533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31866.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 2130533 is about 1459.6345433018. The cubic root of 2130533 is about 128.6755663646.

Adding to 2130533 its reverse (3350312), we get a palindrome (5480845).

The spelling of 2130533 in words is "two million, one hundred thirty thousand, five hundred thirty-three".