2130671 has 2 divisors, whose sum is σ = 2130672. Its totient is φ = 2130670.

The previous prime is 2130631. The next prime is 2130673. The reversal of 2130671 is 1760312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130671 - 2¹⁸ = 1868527 is a prime.

Together with 2130673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065335 + 1065336.

It is an arithmetic number, because the mean of its divisors is an integer number (1065336).

2^2130671 is an apocalyptic number.

2130671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130671 is an equidigital number, since it uses as much as digits as its factorization.

2130671 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 2130671 is about 1459.6818146432. The cubic root of 2130671 is about 128.6783445183.

Adding to 2130671 its reverse (1760312), we get a palindrome (3890983).

The spelling of 2130671 in words is "two million, one hundred thirty thousand, six hundred seventy-one".