2051379 has 16 divisors (see below), whose sum is σ = 3315840. Its totient is φ = 1243080.

The previous prime is 2051359. The next prime is 2051383. The reversal of 2051379 is 9731502.

It is not a de Polignac number, because 2051379 - 2⁷ = 2051251 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

2051379 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157 + ... + 3750.

It is an arithmetic number, because the mean of its divisors is an integer number (207240).

2^2051379 is an apocalyptic number.

2051379 is a deficient number, since it is larger than the sum of its proper divisors (1264461).

2051379 is a wasteful number, since it uses less digits than its factorization.

2051379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927 (or 6921 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 2051379 is about 1432.2635930582. The cubic root of 2051379 is about 127.0618872945.

The spelling of 2051379 in words is "two million, fifty-one thousand, three hundred seventy-nine".