51043013 has 8 divisors (see below), whose sum is σ = 58991040. Its totient is φ = 43259040.

The previous prime is 51043009. The next prime is 51043033. The reversal of 51043013 is 31034015.

51043013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51043013 - 2² = 51043009 is a prime.

It is a super-2 number, since 2×51043013² = 5210778352236338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51042982 and 51043000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51043033) 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 7 ways as a sum of consecutive naturals, for example, 40343 + ... + 41588.

It is an arithmetic number, because the mean of its divisors is an integer number (7373880).

Almost surely, 2^51043013 is an apocalyptic number.

It is an amenable number.

51043013 is a deficient number, since it is larger than the sum of its proper divisors (7948027).

51043013 is an equidigital number, since it uses as much as digits as its factorization.

51043013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82027.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 51043013 is about 7144.4393062017. The cubic root of 51043013 is about 370.9472029837.

Adding to 51043013 its reverse (31034015), we get a palindrome (82077028).

The spelling of 51043013 in words is "fifty-one million, forty-three thousand, thirteen".