2051364 has 24 divisors (see below), whose sum is σ = 5470528. Its totient is φ = 586080.

The previous prime is 2051359. The next prime is 2051383. The reversal of 2051364 is 4631502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2051364.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12127 + ... + 12294.

2^2051364 is an apocalyptic number.

It is an amenable number.

2051364 is an abundant number, since it is smaller than the sum of its proper divisors (3419164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051364 is a wasteful number, since it uses less digits than its factorization.

2051364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24435 (or 24433 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2051364 is about 1432.2583565824. The cubic root of 2051364 is about 127.0615775950.

Adding to 2051364 its reverse (4631502), we get a palindrome (6682866).

It can be divided in two parts, 2051 and 364, that added together give a triangular number (2415 = T₆₉).

The spelling of 2051364 in words is "two million, fifty-one thousand, three hundred sixty-four".