2130617 has 2 divisors, whose sum is σ = 2130618. Its totient is φ = 2130616.

The previous prime is 2130613. The next prime is 2130619. The reversal of 2130617 is 7160312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2128681 + 1936 = 1459^2 + 44^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130617 - 2² = 2130613 is a prime.

Together with 2130619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2130613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065308 + 1065309.

It is an arithmetic number, because the mean of its divisors is an integer number (1065309).

2^2130617 is an apocalyptic number.

It is an amenable number.

2130617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130617 is an equidigital number, since it uses as much as digits as its factorization.

2130617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2130617 is about 1459.6633173441. The cubic root of 2130617 is about 128.6772574290.

Adding to 2130617 its reverse (7160312), we get a palindrome (9290929).

The spelling of 2130617 in words is "two million, one hundred thirty thousand, six hundred seventeen".