2051679 has 24 divisors (see below), whose sum is σ = 3373488. Its totient is φ = 1102080.

The previous prime is 2051671. The next prime is 2051689. The reversal of 2051679 is 9761502.

2051679 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 2051679 - 2³ = 2051671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2089 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (140562).

2^2051679 is an apocalyptic number.

2051679 is a deficient number, since it is larger than the sum of its proper divisors (1321809).

2051679 is a wasteful number, since it uses less digits than its factorization.

2051679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2051679 is about 1432.3683185550. The cubic root of 2051679 is about 127.0680809668.

The spelling of 2051679 in words is "two million, fifty-one thousand, six hundred seventy-nine".