2051775 has 36 divisors (see below), whose sum is σ = 4013880. Its totient is φ = 993600.

The previous prime is 2051773. The next prime is 2051801. The reversal of 2051775 is 5771502.

It is not a de Polignac number, because 2051775 - 2¹ = 2051773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051773) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2061 + ... + 2889.

2^2051775 is an apocalyptic number.

2051775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2051775 is a deficient number, since it is larger than the sum of its proper divisors (1962105).

2051775 is a wasteful number, since it uses less digits than its factorization.

2051775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 2051775 is about 1432.4018290968. The cubic root of 2051775 is about 127.0700628145.

The spelling of 2051775 in words is "two million, fifty-one thousand, seven hundred seventy-five".