2051584 has 20 divisors (see below), whose sum is σ = 4100184. Its totient is φ = 1025536.

The previous prime is 2051537. The next prime is 2051587. The reversal of 2051584 is 4851502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492 + ... + 2515.

2^2051584 is an apocalyptic number.

It is an amenable number.

2051584 is a deficient number, since it is larger than the sum of its proper divisors (2048600).

2051584 is an frugal number, since it uses more digits than its factorization.

2051584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2051584 is about 1432.3351563094. The cubic root of 2051584 is about 127.0661197026.

The spelling of 2051584 in words is "two million, fifty-one thousand, five hundred eighty-four".