2130005 has 8 divisors (see below), whose sum is σ = 2615712. Its totient is φ = 1664208.

The previous prime is 2130001. The next prime is 2130013. The reversal of 2130005 is 5000312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130005 - 2² = 2130001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4739 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (326964).

2^2130005 is an apocalyptic number.

It is an amenable number.

2130005 is a deficient number, since it is larger than the sum of its proper divisors (485707).

2130005 is an equidigital number, since it uses as much as digits as its factorization.

2130005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 2130005 is about 1459.4536649034. The cubic root of 2130005 is about 128.6649357990.

Adding to 2130005 its reverse (5000312), we get a palindrome (7130317).

The spelling of 2130005 in words is "two million, one hundred thirty thousand, five".