2051893 has 2 divisors, whose sum is σ = 2051894. Its totient is φ = 2051892.

The previous prime is 2051891. The next prime is 2051923. The reversal of 2051893 is 3981502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1633284 + 418609 = 1278^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051893 - 2¹ = 2051891 is a prime.

Together with 2051891, it forms a pair of twin primes.

2051893 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025946 + 1025947.

It is an arithmetic number, because the mean of its divisors is an integer number (1025947).

2^2051893 is an apocalyptic number.

It is an amenable number.

2051893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051893 is an equidigital number, since it uses as much as digits as its factorization.

2051893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2051893 is about 1432.4430180639. The cubic root of 2051893 is about 127.0724987508.

The spelling of 2051893 in words is "two million, fifty-one thousand, eight hundred ninety-three".