2061287 has 2 divisors, whose sum is σ = 2061288. Its totient is φ = 2061286.

The previous prime is 2061277. The next prime is 2061289. The reversal of 2061287 is 7821602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2061287 - 2⁴ = 2061271 is a prime.

Together with 2061289, 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 (2061289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030643 + 1030644.

It is an arithmetic number, because the mean of its divisors is an integer number (1030644).

2^2061287 is an apocalyptic number.

2061287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061287 is an equidigital number, since it uses as much as digits as its factorization.

2061287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2061287 is about 1435.7182871302. The cubic root of 2061287 is about 127.2661251523.

Adding to 2061287 its reverse (7821602), we get a palindrome (9882889).

The spelling of 2061287 in words is "two million, sixty-one thousand, two hundred eighty-seven".