2061887 has 2 divisors, whose sum is σ = 2061888. Its totient is φ = 2061886.

The previous prime is 2061883. The next prime is 2061907. The reversal of 2061887 is 7881602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2061887 - 2² = 2061883 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030943 + 1030944.

It is an arithmetic number, because the mean of its divisors is an integer number (1030944).

2^2061887 is an apocalyptic number.

2061887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061887 is an equidigital number, since it uses as much as digits as its factorization.

2061887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2061887 is about 1435.9272265683. The cubic root of 2061887 is about 127.2784721742.

The spelling of 2061887 in words is "two million, sixty-one thousand, eight hundred eighty-seven".