2051463 has 4 divisors (see below), whose sum is σ = 2735288. Its totient is φ = 1367640.

The previous prime is 2051461. The next prime is 2051477. The reversal of 2051463 is 3641502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2051463 - 2¹ = 2051461 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 0 + 5⁹ + 1 + 4⁸ + 6 + 3³ .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051461) 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 3 ways as a sum of consecutive naturals, for example, 341908 + ... + 341913.

It is an arithmetic number, because the mean of its divisors is an integer number (683822).

2^2051463 is an apocalyptic number.

2051463 is a deficient number, since it is larger than the sum of its proper divisors (683825).

2051463 is an equidigital number, since it uses as much as digits as its factorization.

2051463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683824.

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

The square root of 2051463 is about 1432.2929169692. The cubic root of 2051463 is about 127.0636215836.

Adding to 2051463 its reverse (3641502), we get a palindrome (5692965).

The spelling of 2051463 in words is "two million, fifty-one thousand, four hundred sixty-three".